Address - Bitcoin Wiki

Code to validate bitcoin address (including multisig) in PHP?

Anyone know any code to validate bitcoin address (including multisig) in PHP? There is validator codes out there but they are old and dont support new multisig addresses
Thanks
submitted by Drink_Feck_Arse to Bitcoin [link] [comments]

Bob The Magic Custodian



Summary: Everyone knows that when you give your assets to someone else, they always keep them safe. If this is true for individuals, it is certainly true for businesses.
Custodians always tell the truth and manage funds properly. They won't have any interest in taking the assets as an exchange operator would. Auditors tell the truth and can't be misled. That's because organizations that are regulated are incapable of lying and don't make mistakes.

First, some background. Here is a summary of how custodians make us more secure:

Previously, we might give Alice our crypto assets to hold. There were risks:

But "no worries", Alice has a custodian named Bob. Bob is dressed in a nice suit. He knows some politicians. And he drives a Porsche. "So you have nothing to worry about!". And look at all the benefits we get:
See - all problems are solved! All we have to worry about now is:
It's pretty simple. Before we had to trust Alice. Now we only have to trust Alice, Bob, and all the ways in which they communicate. Just think of how much more secure we are!

"On top of that", Bob assures us, "we're using a special wallet structure". Bob shows Alice a diagram. "We've broken the balance up and store it in lots of smaller wallets. That way", he assures her, "a thief can't take it all at once". And he points to a historic case where a large sum was taken "because it was stored in a single wallet... how stupid".
"Very early on, we used to have all the crypto in one wallet", he said, "and then one Christmas a hacker came and took it all. We call him the Grinch. Now we individually wrap each crypto and stick it under a binary search tree. The Grinch has never been back since."

"As well", Bob continues, "even if someone were to get in, we've got insurance. It covers all thefts and even coercion, collusion, and misplaced keys - only subject to the policy terms and conditions." And with that, he pulls out a phone-book sized contract and slams it on the desk with a thud. "Yep", he continues, "we're paying top dollar for one of the best policies in the country!"
"Can I read it?' Alice asks. "Sure," Bob says, "just as soon as our legal team is done with it. They're almost through the first chapter." He pauses, then continues. "And can you believe that sales guy Mike? He has the same year Porsche as me. I mean, what are the odds?"

"Do you use multi-sig?", Alice asks. "Absolutely!" Bob replies. "All our engineers are fully trained in multi-sig. Whenever we want to set up a new wallet, we generate 2 separate keys in an air-gapped process and store them in this proprietary system here. Look, it even requires the biometric signature from one of our team members to initiate any withdrawal." He demonstrates by pressing his thumb into the display. "We use a third-party cloud validation API to match the thumbprint and authorize each withdrawal. The keys are also backed up daily to an off-site third-party."
"Wow that's really impressive," Alice says, "but what if we need access for a withdrawal outside of office hours?" "Well that's no issue", Bob says, "just send us an email, call, or text message and we always have someone on staff to help out. Just another part of our strong commitment to all our customers!"

"What about Proof of Reserve?", Alice asks. "Of course", Bob replies, "though rather than publish any blockchain addresses or signed transaction, for privacy we just do a SHA256 refactoring of the inverse hash modulus for each UTXO nonce and combine the smart contract coefficient consensus in our hyperledger lightning node. But it's really simple to use." He pushes a button and a large green checkmark appears on a screen. "See - the algorithm ran through and reserves are proven."
"Wow", Alice says, "you really know your stuff! And that is easy to use! What about fiat balances?" "Yeah, we have an auditor too", Bob replies, "Been using him for a long time so we have quite a strong relationship going! We have special books we give him every year and he's very efficient! Checks the fiat, crypto, and everything all at once!"

"We used to have a nice offline multi-sig setup we've been using without issue for the past 5 years, but I think we'll move all our funds over to your facility," Alice says. "Awesome", Bob replies, "Thanks so much! This is perfect timing too - my Porsche got a dent on it this morning. We have the paperwork right over here." "Great!", Alice replies.
And with that, Alice gets out her pen and Bob gets the contract. "Don't worry", he says, "you can take your crypto-assets back anytime you like - just subject to our cancellation policy. Our annual management fees are also super low and we don't adjust them often".

How many holes have to exist for your funds to get stolen?
Just one.

Why are we taking a powerful offline multi-sig setup, widely used globally in hundreds of different/lacking regulatory environments with 0 breaches to date, and circumventing it by a demonstrably weak third party layer? And paying a great expense to do so?
If you go through the list of breaches in the past 2 years to highly credible organizations, you go through the list of major corporate frauds (only the ones we know about), you go through the list of all the times platforms have lost funds, you go through the list of times and ways that people have lost their crypto from identity theft, hot wallet exploits, extortion, etc... and then you go through this custodian with a fine-tooth comb and truly believe they have value to add far beyond what you could, sticking your funds in a wallet (or set of wallets) they control exclusively is the absolute worst possible way to take advantage of that security.

The best way to add security for crypto-assets is to make a stronger multi-sig. With one custodian, what you are doing is giving them your cryptocurrency and hoping they're honest, competent, and flawlessly secure. It's no different than storing it on a really secure exchange. Maybe the insurance will cover you. Didn't work for Bitpay in 2015. Didn't work for Yapizon in 2017. Insurance has never paid a claim in the entire history of cryptocurrency. But maybe you'll get lucky. Maybe your exact scenario will buck the trend and be what they're willing to cover. After the large deductible and hopefully without a long and expensive court battle.

And you want to advertise this increase in risk, the lapse of judgement, an accident waiting to happen, as though it's some kind of benefit to customers ("Free institutional-grade storage for your digital assets.")? And then some people are writing to the OSC that custodians should be mandatory for all funds on every exchange platform? That this somehow will make Canadians as a whole more secure or better protected compared with standard air-gapped multi-sig? On what planet?

Most of the problems in Canada stemmed from one thing - a lack of transparency. If Canadians had known what a joke Quadriga was - it wouldn't have grown to lose $400m from hard-working Canadians from coast to coast to coast. And Gerald Cotten would be in jail, not wherever he is now (at best, rotting peacefully). EZ-BTC and mister Dave Smilie would have been a tiny little scam to his friends, not a multi-million dollar fraud. Einstein would have got their act together or been shut down BEFORE losing millions and millions more in people's funds generously donated to criminals. MapleChange wouldn't have even been a thing. And maybe we'd know a little more about CoinTradeNewNote - like how much was lost in there. Almost all of the major losses with cryptocurrency exchanges involve deception with unbacked funds.
So it's great to see transparency reports from BitBuy and ShakePay where someone independently verified the backing. The only thing we don't have is:
It's not complicated to validate cryptocurrency assets. They need to exist, they need to be spendable, and they need to cover the total balances. There are plenty of credible people and firms across the country that have the capacity to reasonably perform this validation. Having more frequent checks by different, independent, parties who publish transparent reports is far more valuable than an annual check by a single "more credible/official" party who does the exact same basic checks and may or may not publish anything. Here's an example set of requirements that could be mandated:
There are ways to structure audits such that neither crypto assets nor customer information are ever put at risk, and both can still be properly validated and publicly verifiable. There are also ways to structure audits such that they are completely reasonable for small platforms and don't inhibit innovation in any way. By making the process as reasonable as possible, we can completely eliminate any reason/excuse that an honest platform would have for not being audited. That is arguable far more important than any incremental improvement we might get from mandating "the best of the best" accountants. Right now we have nothing mandated and tons of Canadians using offshore exchanges with no oversight whatsoever.

Transparency does not prove crypto assets are safe. CoinTradeNewNote, Flexcoin ($600k), and Canadian Bitcoins ($100k) are examples where crypto-assets were breached from platforms in Canada. All of them were online wallets and used no multi-sig as far as any records show. This is consistent with what we see globally - air-gapped multi-sig wallets have an impeccable record, while other schemes tend to suffer breach after breach. We don't actually know how much CoinTrader lost because there was no visibility. Rather than publishing details of what happened, the co-founder of CoinTrader silently moved on to found another platform - the "most trusted way to buy and sell crypto" - a site that has no information whatsoever (that I could find) on the storage practices and a FAQ advising that “[t]rading cryptocurrency is completely safe” and that having your own wallet is “entirely up to you! You can certainly keep cryptocurrency, or fiat, or both, on the app.” Doesn't sound like much was learned here, which is really sad to see.
It's not that complicated or unreasonable to set up a proper hardware wallet. Multi-sig can be learned in a single course. Something the equivalent complexity of a driver's license test could prevent all the cold storage exploits we've seen to date - even globally. Platform operators have a key advantage in detecting and preventing fraud - they know their customers far better than any custodian ever would. The best job that custodians can do is to find high integrity individuals and train them to form even better wallet signatories. Rather than mandating that all platforms expose themselves to arbitrary third party risks, regulations should center around ensuring that all signatories are background-checked, properly trained, and using proper procedures. We also need to make sure that signatories are empowered with rights and responsibilities to reject and report fraud. They need to know that they can safely challenge and delay a transaction - even if it turns out they made a mistake. We need to have an environment where mistakes are brought to the surface and dealt with. Not one where firms and people feel the need to hide what happened. In addition to a knowledge-based test, an auditor can privately interview each signatory to make sure they're not in coercive situations, and we should make sure they can freely and anonymously report any issues without threat of retaliation.
A proper multi-sig has each signature held by a separate person and is governed by policies and mutual decisions instead of a hierarchy. It includes at least one redundant signature. For best results, 3of4, 3of5, 3of6, 4of5, 4of6, 4of7, 5of6, or 5of7.

History has demonstrated over and over again the risk of hot wallets even to highly credible organizations. Nonetheless, many platforms have hot wallets for convenience. While such losses are generally compensated by platforms without issue (for example Poloniex, Bitstamp, Bitfinex, Gatecoin, Coincheck, Bithumb, Zaif, CoinBene, Binance, Bitrue, Bitpoint, Upbit, VinDAX, and now KuCoin), the public tends to focus more on cases that didn't end well. Regardless of what systems are employed, there is always some level of risk. For that reason, most members of the public would prefer to see third party insurance.
Rather than trying to convince third party profit-seekers to provide comprehensive insurance and then relying on an expensive and slow legal system to enforce against whatever legal loopholes they manage to find each and every time something goes wrong, insurance could be run through multiple exchange operators and regulators, with the shared interest of having a reputable industry, keeping costs down, and taking care of Canadians. For example, a 4 of 7 multi-sig insurance fund held between 5 independent exchange operators and 2 regulatory bodies. All Canadian exchanges could pay premiums at a set rate based on their needed coverage, with a higher price paid for hot wallet coverage (anything not an air-gapped multi-sig cold wallet). Such a model would be much cheaper to manage, offer better coverage, and be much more reliable to payout when needed. The kind of coverage you could have under this model is unheard of. You could even create something like the CDIC to protect Canadians who get their trading accounts hacked if they can sufficiently prove the loss is legitimate. In cases of fraud, gross negligence, or insolvency, the fund can be used to pay affected users directly (utilizing the last transparent balance report in the worst case), something which private insurance would never touch. While it's recommended to have official policies for coverage, a model where members vote would fully cover edge cases. (Could be similar to the Supreme Court where justices vote based on case law.)
Such a model could fully protect all Canadians across all platforms. You can have a fiat coverage governed by legal agreements, and crypto-asset coverage governed by both multi-sig and legal agreements. It could be practical, affordable, and inclusive.

Now, we are at a crossroads. We can happily give up our freedom, our innovation, and our money. We can pay hefty expenses to auditors, lawyers, and regulators year after year (and make no mistake - this cost will grow to many millions or even billions as the industry grows - and it will be borne by all Canadians on every platform because platforms are not going to eat up these costs at a loss). We can make it nearly impossible for any new platform to enter the marketplace, forcing Canadians to use the same stagnant platforms year after year. We can centralize and consolidate the entire industry into 2 or 3 big players and have everyone else fail (possibly to heavy losses of users of those platforms). And when a flawed security model doesn't work and gets breached, we can make it even more complicated with even more people in suits making big money doing the job that blockchain was supposed to do in the first place. We can build a system which is so intertwined and dependent on big government, traditional finance, and central bankers that it's future depends entirely on that of the fiat system, of fractional banking, and of government bail-outs. If we choose this path, as history has shown us over and over again, we can not go back, save for revolution. Our children and grandchildren will still be paying the consequences of what we decided today.
Or, we can find solutions that work. We can maintain an open and innovative environment while making the adjustments we need to make to fully protect Canadian investors and cryptocurrency users, giving easy and affordable access to cryptocurrency for all Canadians on the platform of their choice, and creating an environment in which entrepreneurs and problem solvers can bring those solutions forward easily. None of the above precludes innovation in any way, or adds any unreasonable cost - and these three policies would demonstrably eliminate or resolve all 109 historic cases as studied here - that's every single case researched so far going back to 2011. It includes every loss that was studied so far not just in Canada but globally as well.
Unfortunately, finding answers is the least challenging part. Far more challenging is to get platform operators and regulators to agree on anything. My last post got no response whatsoever, and while the OSC has told me they're happy for industry feedback, I believe my opinion alone is fairly meaningless. This takes the whole community working together to solve. So please let me know your thoughts. Please take the time to upvote and share this with people. Please - let's get this solved and not leave it up to other people to do.

Facts/background/sources (skip if you like):



Thoughts?
submitted by azoundria2 to QuadrigaInitiative [link] [comments]

The next XVG? Microcap 100x potential actually supported by fundamentals!

What’s up team? I have a hot one for you. XVG returned 12 million percent in 2017 and this one reminds me a lot of it. Here’s why:
Mimblewimble is like Blu-Ray compared to CD-ROM in terms of its ability to compress data on a blockchain. The current BTC chain is 277gb and its capacity is limited because every time you spend a coin, each node needs to validate its history back to when it was mined (this is how double spending is prevented). Mimblewimble is different - all transactions in a block are aggregated and netted out in one giant CoinJoin, and only the current spending needs to be verified. This means that dramatically more transactions can fit into a smaller space, increasing throughput and lowering fees while still retaining the full proof of work game theory of Bitcoin. These blockchains are small enough to run a full node on a cheap smartphone, which enhances the decentralization and censorship resistance of the network.
The biggest benefit, though, is that all transactions are private - the blockchain doesn’t reveal amounts or addresses except to the actual wallet owner. Unlike earlier decoy-based approaches that bloat the chain and can still be data mined (XMR), Mimblewimble leaves no trace in the blockchain, instead storing only the present state of coin ownership.
The first two Mimblewimble coins, Grin and Beam, launched to great fanfare in 2019, quickly reaching over $100m in market cap (since settled down to $22m and $26m respectively). They are good projects but grin has infinite supply and huge never-decreasing emission, and Beam is a corporate moneygrab whose founding investors are counting on you buying for their ROI.
ZEC is valued at $568m today, despite the facts that only 1% of transactions are actually shielded, it has a trusted setup, and generating a confidential transaction takes ~60 seconds on a powerful PC. XMR is a great project but it’s valued at $1.2b (so no 100x) and it uses CryptoNote, which is 2014 tech that relies on a decoy-based approach that could be vulnerable to more powerful computers in the future. Mimblewimble is just a better way to approach privacy because there is simply no data recorded in the blockchain for companies to surveil.
Privacy is not just for darknet markets, porn, money launderers and terrorists. In many countries it’s dangerous to be wealthy, and there are all kinds of problems with having your spending data be out there publicly and permanently for all to see. Namely, companies like Amazon are patenting approaches to identify people with their crypto addresses, “for law enforcement” but also so that, just like credit cards, your spending data can be used to target ads. (A) Coinbase is selling user data to the DEA, IRS, FBI, Secret Service, and who knows who else? (B) What about insurance companies raising your premiums or canceling your policy because they see you buying (legal) cannabis? If your business operates using transparent cryptocurrency, competitors can data mine your customer and supply chain data, and employees can see how much everyone else gets paid. I could go on, but the idea of “I have nothing to hide, so what do I care about privacy?” will increasingly ring hollow as people realize that this money printing will have to be paid by massive tax increases AND that those taxes will be directly debited from their “Central Bank Digital Currency” wallets.
100% privacy for all transactions also eliminates one HUGE problem that people aren’t aware of yet, but they will be: fungibility. Fungibility means that each coin is indistinguishable from any other, just like paper cash. Why is this important? Because of the ever-expanding reach of AML/KYC/KYT (Anti-Money Laundering / Know Your Customer / Know Your Transaction) as regulators cramp down on crypto and banks take over, increasingly coins become “tainted” in various ways. For example, if you withdraw coins to a mixing service like Wasabi or Samourai, you may find your account blocked. (C) The next obvious step is that if you receive coins that these chainalysis services don’t like for whatever reason, you will be completely innocent yet forced to prove that you didn’t know that the coins you bought were up to no good in a past life. 3 days ago, $100k of USDC was frozen. (D) Even smaller coins like LTC now have this problem, because “Chinese Drug Kingpins” used them. (E) I believe that censorable money that can be blocked/frozen isn’t really “your money”.
Epic Cash is a 100% volunteer community project (like XVG and XMR) that had a fair launch in September last year with no ICO and no premine. There are very few projects like this, and it’s a key ingredient in Verge’s success (still at $110m market cap today despite being down 97% since the bubble peak) and why it’s still around. It has a small but super passionate community of “Freemen” who are united by a belief in the sound money economics of Bitcoin Standard emission (21m supply limit and ever-decreasing inflation) and the importance of privacy.
I am super bullish on this coin for the following reasons:
Because it doesn’t have a huge marketing budget in a sea of VC-funded shitcoins, it is as-yet undiscovered, which is why it’s so cheap. There are only 4 Mimblewimble-based currencies on the market: MWC at $162m, BEAM at $26m, GRIN at $22m, and EPIC at $0.4m. This is not financial advice and as always, do your own research, but I’ve been buying this gem for months and will continue to.
This one ticks all the boxes for me, the only real problem is that it’s hard to buy much without causing a huge green candle. Alt season is coming, and coins like this are how your neighbor Chad got his Lambo back in 2017. For 2021, McLaren is a better choice and be sure to pay cash so that it doesn’t get repossessed like Chad!
  1. A https://www.vice.com/en_us/article/d35eax/amazon-bitcoin-patent-data-stream-identify-cryptocurrency-for-law-enforcement-government
  2. B https://decrypt.co/31461/coinbase-wants-to-identify-bitcoin-users-for-dea-irs
  3. C https://www.coindesk.com/binance-blockade-of-wasabi-wallet-could-point-to-a-crypto-crack-up
  4. D https://cointelegraph.com/news/centre-freezes-ethereum-address-holding-100k-usdc
  5. E https://www.coindesk.com/us-treasury-blacklists-bitcoin-litecoin-addresses-of-chinese-drug-kingpins
  6. F https://www.youtube.com/channel/UCWkTxl5Z6DNN0ASMRxSKV5g
  7. G http://epic.tech/whitepaper
  8. H https://medium.com/epic-cash/epic-cash-on-uniswap-22447904d375
  9. I https://epic.tech/wp-content/uploads/2019/09/figure-3.1.jpg
Links:
submitted by pinchegringo to CryptoMoonShots [link] [comments]

[Table] IAmA dark web expert, investigative journalist and true crime author. I’ve met dark web kingpins in far flung prisons and delved the murky depths of child predator forums. I’ve written six books and over a dozen Casefile podcast episodes. AMA (part 2/2)

Source | Guestbook
Previous thread
Questions Answers
Around here nobody talks about the argument that increased regulation of the internet would help stop child predators. Is that true, and if so where do you fall on the Net Neutrality vs law enforcement spectrum? No I don't think that's true at all. Child predators have been around much longer than the internet, and I would argue child abuse was more prevalent 50+ years ago when children were seen and not heard and it wasn't talked about. The dark web hasn't created more predators, it has just given them a new place to gather and hang out.
The one thing I found really interesting when I was lurking the forums of the child predators was their frustration about how children are now taught from a very young age that certain touching and acts are wrong and that they shouldn't keep certain secrets. It came up over and over again that they could not abuse certain children because they knew those children had someone they would tell. It was pretty clear that education was a child's best defence against getting abused.
the below is a reply to the above
That's so interesting, thanks for the AMA! Can you remember any other thing that a child could do in order to protect himself from being abused? What other characteristics do the abusers hate in potential victims? That seems to be the main one. Kids who speak up and who have close relationships with one or more people they are likely to confide in
What do folks talk about in the child predator forums? Do they like give each other advice on how to improve their craft? Yes, quite literally. The give each other tips on how not to get caught, how to edit out incriminating details in videos, how to drug children, techniques for convincing kids not to tell etc
the below is a reply to the above
Given your insight into how predators operate, do you have any advice for parents on protecting their kids? I'll cut'n'paste a response i gave to someone else about this, because it was something that really stuck out to me:
The one thing I found really interesting when I was lurking the forums of the child predators was their frustration about how children are now taught from a very young age that certain touching and acts are wrong and that they shouldn't keep certain secrets. It came up over and over again that they could not abuse certain children because they knew those children had someone they would tell. It was pretty clear that education was a child's best defence against getting abused. Kids who speak up and who have close relationships with one or more people they are likely to confide in
Has the exponential increase in Bitcoin value affected darknet dealers in any profound way? I can imagine that some drug dealers were sitting on quite a large sum of Bitcoin when the value shot up. Crypto purists hate to admit it, but bitcoin would not be where it is today without Silk Road. It was sitting at less than a dollar when Silk Road began and the markets showed a robust use case for cryptocurrency and as the markets grew, so did the demand for bitcoin. It also provided real-life use data for those who were not interested in drugs but who weren't sure if it had practical application. When SR went down, Bitcoin was at about $650 and it continued to grow as adoption became more mainstream. There are many many stories of drug dealers (and at least one faux-hitman!) who gained most of their wealth not by selling the drugs, but by the growth in value of their bitcoin holdings
Since you have a lot of experience with them online. Do you think pedophiles(not child abusers) should be treated as criminals, or as people suffering from a mental illness? Contact offenders should be treated as criminals, because they are criminals. They have abused or hurt someone. Same with those who support the creation and dissemination of child abuse materials.
Pedophiles who do not act on their urges should be given as much help as humanly possible.
Are there any mysterious or suspicious pages or communities that you haven’t been able to access? Anything that seems especially weird? there are a lot of Russian communities that I can't access, mostly because I don't speak Russian. Some of the more technical hacking communities have entry barriers that I'm not technical enough to score an invite to
How much these bad people really exist out there? Hundreds? Thousands? More? It depends what you mean by bad. If you mean people who use the dark web to buy drugs (who I do not consider bad) then there are many many thousands. There are also thousands of people who deal in stolen information to make money.
Unfortunately there are also thousands of child predators and the dark web has provided a "safe space" for them to come together to share materials and "tips". I hope this is where most of the resources of law enforcement are concentrated
Ehy mine is a rare question: what do you know about art on dark web? I'm talking about the black market made of stolen important pieces from museums, art used as value to money laundry and other criminal affairs I'm an artist and what I know is people don't think too much about the dark side of art and probably they need to open their eyes about I really haven't come across much in the way of that. Some of the markets have an "art" section, but that is mostly blotter art
How accurate are the legends? Any legends in particular? For a lowdown copied from a post I made in another forum:
1Red Rooms  The one that is most persistent is the myth of the "Red Room" - live streaming of torture/rape that ends in the murder of the victim and which people can pay to watch, or even bid to type in commands for the torturer to carry out (highest bid wins!). The most famous was the “ISIS Red Room” pictured above, where people could provide instructions to torture captured terrorists - you can read what happened here.
People have this idea of Hostel with webcams exist all over the dark web, but you just need an invite to get into them. It's ridiculous. They don't exist. They certainly wouldn't exist on Tor. But people are desperate to believe and they always come back with "You can't prove they don't exist, people are crazy, therefore they must exist." Picture my eyes rolling here.
2.Hitman sites
I don't think many people are taken in by the hitmen sites anymore, though the press loves playing up the fact that there are sites offering up hitman services. But every single one of them has turned out to be a scam, especially Besa Mafia, the one that did the most marketing. Again, you can read about it at the same link as above.
3.Exotic animals  People are always asking where they can find markets for exotic animals. Obviously the illegal trade in exotic animals exists, and some communications and transactions may well take place over Tor, but there are no markets like the drug markets where you can go and look at a picture and then put a tiger or ocelot or something into your basket and buy it with bitcoin.
SO WHAT DOES HAPPEN ON THE DARK WEB?
1.People buy and sell drugs.
The drug markets are more busy than ever. You have probably heard of Silk Road, the most famous online drug market that got busted a few years ago and the owner sent to prison for two consecutive life terms? A lot of people thought that was the end of drugs being sold on the dark web. In fact, dark web sales of drugs have tripled since the shutdown of Silk Road.
The reason people buy drugs this way is that for many they offer a safer alternative for people who are going to do drugs anyway. There is no possibility of any violence. The vast majority of the time a buyer knows exactly what they are getting, because of the feedback and rating system. That's not the case in a nightclub, or even friends-of-friends, where you just blindly accept that the pill, powder or tab is what the seller says it is.
2.People buy and sell other illegal things
Mostly they buy and sell stolen credit cards and financial information, fake IDs (though lots of these are scams), personal information, “dumps” of hacked data and fraud-related items. For a long time, a seller was making a fortune selling fake discount coupons that really worked.
3.People access and create childporn  Unlike the other markets, the CP market is generally not for money, but rather they are groups who swap vile images and videos for free. The worst of the worst is called “hurtcore’. Thankfully, most of the people behind the worst sites have been arrested and put in jail.
4.People talk about stuff
There are plenty of sites, forums and chatrooms where people talk about all sorts of things - conspiracies, aliens, weird stuff. They take advantage of the anonymity.
5.People anonymously release information
Whistleblowers use the dark web to release information and make sure their identities won't be compromised. You will find Wikileaks, for example, on the dark web.
6.People surf the web anonymously
The number 1 thing people use the dark web for is just to surf the web completely anonymously. Not everybody wants to be tracked by advertisers.
I have a question: what are the odds of the casual Darkweb drug buyer - not buying mega loads all the time - the occasional purchase - what are the risks of being busted? Kinda figuring pretty low. But you’re the expert. What do you think? Obviously there is always a risk, but the risk is very low. It is rare for personal amounts to be seized. Even if a package is seized, there's usually no resources to follow it up. Many people report simply receiving a letter from Customs saying they have seized what they believe is contraband and the person has a choice of going to claim it or it will be destroyed. Even if LE does knock on the door there is plausible deniability: "I don't know who sent that stuff to me".
So yeah, rare, but it does happen. You might be the unlucky one
How do you find things on the dark web without search engines? There are a lot of entry sites, set up with links to the most popular places. You can generally get a link to one of them by browsing places like reddit. From there it is a matter of checking out different places, people will put links in forums etc.
I also use a Pastebin where people paste sites they have made/found, and a Fresh Onion site, which crawls all the newly-populated .onion addresses
Hi. there!! Thank you for answering questions. Mine is very simple. How do sellers get the drugs to people? Regular mail? That's always puzzled me bc I'd assume USPS, UPS, fedEx or any other mail carrier would catch at least some goods. If people are ordering drugs, particularly in powder form, for personal use, they can be flattened, sealed in MBB (moisture barrier baggies) and sent in a regular business envelope, indistinguishable from billions of other envelopes going through the postal system every day. The chances of a particular package being intercepted is very low.
Some people take the extra precaution of having the person taking delivery of the drugs different to the person/household that is ordering them.
How did you move from being a corporate lawyer to researching and writing about dark web? I was in London, working for one of the most conservative law firms in the world when the Global Financial Crisis hit. I liked the job but it struck me when people were losing their livelihoods that I was working for the bad guys. I'd always wanted to be a writer so when I came back to Australia I quit law and enrolled in a writing course planning to be a novelist, but I discovered I was better at journalism. I first wrote for newspapers here about Silk Road and it grew from there
I've always wanted to check out the dark web, what is a normal day for you look like on there? Can you give me any tips on how to safely surf the dark web? A normal day looks like me sitting at my desk writing things on my computer. When I'm researching a book or a case I venture away from my computer to trials and to interview people (at least I did pre-COVID)
There is nothing inherently unsafe in surfing the dark web. All the usual precautions you take surfing the clearweb apply. Don't visit any child exploitation sites - it will be pretty obvious that's what they are by the names/descriptions before you log in.
It is only when you want to do more than surfing - e.g. buying drugs etc - that you need to do a LOT of homework or you will absolutely get scammed
Is there anything good about the dark web? It depends what you are into. A lot of academic research has concluded that the darknet markets provide a safer way for people to buy and use drugs, due to the ratings of vendors, services that independently test and report back on batches of drugs, doctor on staff ready to answer questions, no violence in transactions etc.
News sites provide a dark web option so that whistleblowers can safety provide information and upload documents that get stripped of any identifying metadata before being available.
It bypasses firewalls and allows for secure communications under hostile regimes
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How does this make you feel about the idea of the decriminalization of drugs? I've always been for full legalization of drugs, and studying the darknet markets just proved I was right.
I was invited to an experts roundtable in Portugal about drugs and cybercrime a few years ago and the Portugal model of decriminalisation has been a great success
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Hey, you are still answering. Been reading this thread for 1-2 hours now. Thank you so much for all the good work and info! Always been intrigued by this topic, downloaded tor once to explore a bit but couldn’t and deleted it right away, to be on the safer side. Great insights. Thanks! I've been writing it for about 14 hours. Going a bit loopy
How was working on Casefile? What's the production process like? Which episodes did u do?? I have listened to... all of them.... I absolutely LOVE working for Casefile. I am a freelancer, so I source and write my own cases and then sell the scripts to Casefile. I've done at least a dozen, but some of my most popular are Amy Allwine, Mark & John, Ella Tundra, Leigh Leigh, Rebecca Schaeffer...
As for the production process, once I have sold the script to them, a staff member edits them and then they are passed on to Casey to narrate. After that, they go to Mike for sound editing, music etc. They are the best team ever
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Oh, Leigh Leigh was so well written!! How do you choose which stories to write? Do you just pick true crime you're interested in? Thank you! I have a huge list of potential episodes. Any time I come across an interesting crime on reddit, or in the news or wherever I make a note of it. Then I just pick one when it comes time to write a new script.
Sometimes I've been personally involved (e.g. Amy Allwine), gone to trials etc. Those are always the best ones
Hi Eiley, your twitter just reminded me of this AMA :) What are your thoughts on bitcoin? And would you prefer to be paid in crypto or fiat? OOOOH, I know that name! Love & Light to you!
I like Bitcoin and I wish I had a whole lot of it and like many many people, I wish I had kept the first crypto I bought at something like $4 a coin :D I do not have a whole lot of it but I do have a little bit. I like the philosophy behind it and in theory it should change the world. However the reality is that the vast majority of it is concentrated in a very few hands which allows for market manipulation and stops it being useful as a post-fiat currency.
As long as I'm getting paid, I'm pretty happy!
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I too remember your name Pluto! Such a decent human ❤ he is!! True OG right there <3
Is the dark web subject to more racism than its counterpart, the world wide web? There are some white power sites and that sort of thing and the chans are even more uncensored than the clearweb ones (4chan, 8chan) but to be honest they are the same cesspools in different spots. Drug forums don't seem to be very racist. I've seen worse on Twitter
Have you seen any consequential political or social organizing being carried out on the dark web? Not directly, but the dark web helped facilitate the Arab Spring uprising in 2010 by allowing activists to remain anonymous and to access blocked websites and social media. Wikileaks, obviously. Some white supremacy organizations seem to use it to coordinate attacks, but they are not places I'm keen to hang out in.
What’s the most expensive thing for sale you’ve seen on the dark web? What was surprisingly inexpensive? I can't remember specific listings, but there were sometimes sales of things like coke by the kilo, so that sort of thing I guess.
LSD could easily be found for $1/tab and one huge dealer gave it away for free if it was for personal use
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1. I’m going to ask a couple in hopes that one will catch your interest! I know you’re anonymous on the dark web, but even so, have you ever felt worried about your safety? I actually made the decision to be upfront and honest about who I am on the dark web, so I use the name OzFreelancer (which is easily traceable to my real name) on all the dark web sites where i went looking for interviews. The people there had the option of talking to me or not, so they had no reason to want to harm me.
2. I’ve found your comments about your relationship with Yura fascinating. Did y’all develop a friendship? Did you build any other relationships that stand out in your mind? Since you were straightforward about being on the dark web for stories, did people seem reluctant to communicate, or were they excited for the opportunity to divulge a secret? We do have a friendship of sorts, it is really quite weird. I do hope to met him one day. I met all of the senior staff of Silk Road other than the Dread Pirate Roberts himself and keep in touch with some. Some people wanted nothing to do with me of course, but many more were happy to talk to me. i think sometimes it was a relief to them to be able to talk to one person who they knew was who they said they were.
3. On violent forums, did users ever express remorse, guilt, shame, or anything indicative of some recognition that what they were viewing/seeking was awful? Do you see doxxing teams on the dark web working together to uncover info, or is the info already there through previous hacks/breaches, and someone just accesses and releases it? Sorry if any of those don’t make sense! I’m not familiar with the dark web lingo but am so intrigued by your work. Not really. I think if they were contributing to the forums, they were comfortable with who they were and what they were doing. Many of the "regular" pedophiles expressed revulsion about Lux and hurtcore sites though
these have probably been asked before but has there ever been a time where you where genuinely been scared for your life and whats the most messed up thing you've witnessed did you have any help? Yeah both things have been answered in this thread, so I'll cut'n'paste
The only time I've felt even slightly in danger despite all this nosing around in there was when I helped uncover a hitman scam. The owner of Besa Mafia, the most profitable murder-for-hire site in history, came after me when I started writing about him. He made loads of threats ("you don't know who I am, but I know who you are and where you live") but that wasnt scary, as I had access to the backdoor of his site thanks to a friendly hacker and knew he didn't really want to hurt anybody.
It took a bit of a darker turn when he told the people who had signed up to work as hitmen on his site - and who he made video themselves burning cars with signs on them to advertise how legit his site was, then never sent them the promised money for doing so - that I was the owner of the site who had ripped them off. That could have become ugly, but luckily even the thugs weren't dumb enough to believe him.
The only other time I've been a bit nervous was when Homeland Security wanted to have a "friendly" meeting with me on one of my trips to the US to attend a trial. They were friendly, but scary too.
The most frightening experience I've ever had is coming face to face with Lux, the owner of Pedoempire and Hurt2theCore, the most evil and reviled person on the entire dark web. He was responsible for procuring and hosting Daisy's Destruction, the most repulsive video ever made, created by Peter Scully, whose crimes were so bad, the Philippines are considering reinstating the death penalty especially for him.
It wasn't frightening because Lux was frightening - he was anything but. It was frightening because he looked so inoffensive and normal.
It was frightening because he was living proof that monsters walk among us and we never know.
[deleted] It is absolute crap for browsing the clearweb, and a lot of sites detect that it is odd traffic and you have to solve their CAPTCHAs before doing the most basic things
I’m sure you’ve seen some really bad stuff, do you regularly talk to a therapist to help? I've never seen a therapist (they don't really seem to be a thing in Australia they way they are in the US), but I have been known to unload on my partner and my dog
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Yo, speaking as an Aussie, they absolutely are a thing, you can get them covered thru medicare, and I recommend it if you possibly can! Bro, therapy is awesome. I'm not against therapy as a thing, but I've honestly never been so traumatised that I feel I need it. Also I had a bad experience with a psychologist after I watched my partner die in an accident - they suggested I find God, and I noped out of there
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Therapist is an American term- we call them psychs. And the one who told you to find God was terrible and out of line. Yeah she didn't last long before I was over it. Also a doctor decided I needed Xanax, which was also a bad move, because what I really needed was to grieve and Xanax doesn't let you do that properly
Do you find any good things on the dark web? Happy stuff that gives people hope? Or just the trash? I like the psychonaut communities. They just want peace, love and mungbeans for everybody
Have you heard of "The Primarch System" rumor of the dark web? Sounds downright silly to me. But I'm curious if anyone who spends time on the deep web actually takes it seriously, or if as an idea it is connected to anything serious at all. Nah, up there with the Shadow Web and Mariana's Web. There's always people who want to find out where the "deeper" "more secret" "really dark" stuff is. To them I say what, hurtcore isn't dark enough for you?
Doesn't delving the murky depths of child predator forums categorize you with the child predators in the eyes of an investigating law enforcement agency? Do you have some sort of amnesty due to your journalism, or is that something you worry about having to explain away? Has your presence there ever caused some sort of a scare? No, I never went into any of the sites that had actual photos or videos (you can't un-see that shit), but did spend a lot of time in pedophile discussion forums. I also went to a hurtcore hearing and saw screenshots in the police files, as well as listening for two days to videos being described frame-by-frame and private communications between the site owner and the sadists.
Besides drugs and sex crimes, what else is going on in the dark web? Are there other interesting nooks and crannies? I often post screenshots of bizarre sites I find on my Twitter. However, the main uses for the dark web are drugs, digital/fraud goods and child exploitation
I have one, it might be rather boring though, but here goes. On these "child predator forums" are they actually forums devoted to stalking children and do they share social media profiles of children among themselves? That would be kik ids, snapchat and facebook ids, instagram, stuff like that, info that would allow online access and that may have been chosen for suitability? Creepy question I know, but anyway I would be interested to hear your answer. I came here from TrueCrime, you referred to these things in your post on that sub. I suspect I already know the answer yet would like to hear your take on it. Yes, they provide information and tips on how to approach children, how to ensure they won't tell, how to sedate them in some instances, where to find child exploitation material, how to remove metadata and any identifying characteristics in photos and videos before sharing and so on.
They don't tend to share socia media, as that is the sort of thing that can be traced easily. They do talk about how to approach kids on social media and on the worst forums how to blackmail children into stripping/meeting etc
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So you're saying they have a more general approach rather than identifying individual children on the internet? Again a creepy question because what I suggest is that a child's social media could be used and circulated on the dark web as potential information to gain access by anonymity, even if it was just online access only. I actually wonder as I have recently read of the anonymity of apps like ''kik messenger'' and how the police are often unable to get any information from the communications as they remain encrypted and off the server and require little if any valid ID to make an account. No doubt photos from social media are uploaded as part of the materials they have. I haven't seen anything where they get together and try to track down a specific child, but I'm sure some predators do this. Most are more likely to abuse children in their orbit - family, kids of friends, or they work where they have access to children
I heard there are forums to download books but it was really dangerous, Is it true? I'm just a poor guy who wants to finish the young Jack sparrow series Whenever you download anything from a pirate site you run the risk of infection
What do you think of QAnon? Wackjob conspiracy
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Who should the conspiracy theorists actually be worried about if they actually care about thwarting pedophilia? The vast, vast majority of child abuse takes place within the child's personal orbit - relatives, family friends, parents of their own friends, people involved in their activities (coaches, leaders, etc)
So, those people
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Also how to we get people to stop believing in QAnon? Outside my area of expertise, sorry
do you personally believe there was/is any truth to the "defense" (story) that DPR was a title handed down to different admins for the original silk road, or was it just a convenient defense? do you have any theories as to who satoshi nakamoto is? besides the original SR, are there any other darkweb markets that you think have a good enough story to turn into a book? eg sheep market? i've seen you talk a little about the child predator forums, and (as with h2tc) noted are mainly populated by males. i'm curious if you've ever encountered females on such forums/websites (eg. btfk) No. There was a time that I believed the person posting on the forums as DPR changed, but the ownership and administration of the market I believe never changed hands. Variety Jones is claiming a part ownership (which may or may not be true) but I believe that is so he can run a Fourth Amendment argument
So many theories have some credibility to them, but no one theory ticks all the boxes. Highly recommend the 3-part youtube deep dive by Barely Sociable
I'm not sure any one market has the story that Silk Road had, but I would like to write a definitive history that encompasses the most compelling features of all the markets. Backopy of BMR apparently got away clean. The admins of Atlantis got wind of a security issue and closed shop, trying to warn DPR. AlphaBay ended in Alexander Cazes death in a Bangkok prison cell. Then everyone flocked to Hansa, which by that time was being run by law enforcement. Evolution ended in the most brazen exit scam, followed by a bizarre cloak'n'dagger situation played out right here on reddit. The WSM/DDW follow-the-money case. And these are just some that come right off the top of my head. I just need a publisher to provide me an advance I can live off while I write it!
There were a very few people on the forums who identified as female (obvs anyone can be anyone on a dark web forum) and there have been one or two arrests of women in relation to dark web child pornography. Peter Scully's female assistant who carried out some of the torture was originally one of his victims, turned into a sadist.
What’s the one lingering unanswered question you have about SR? I am hanging out for Joel Ellingson to go to trial so that I can find out once and for all whether redandwhite, lucydrop and Tony76 are one and the same person.
There are several people who I got to "know" by their handles who I wonder about from time to time, but mostly I hope they are safe and well and i don't want to track them down or expose them
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Eileen, I am fangirling PRE-TTY hard right now. Talking SR and Tony76 with you is how I imagine it feels to talk to a royal correspondent about Prince Andrew 😅 Ellingson being all three would be a very neat end to an otherwise insane story. Part of me wants to pin Oracle in with that trio too but that’s mostly a desperate attempt from me to add another layer to the madness. I miss the twists and turns that came with the rise and fall of SR. From your own experience - would you agree with the idea that more than one person staffed the DPR account? Thanks for the reply! Ha! You have no idea what it is like when I find someone who really knows about this stuff and can have informed conversations about it. I latch onto them and don't let go. The very BEST was meeting up with DPR's three deputies (SSBD in Australia, Inigo in US and Libertas in Ireland) so I could actually have conversations with people who knew more than I did! Variety Jones was cool too, but the conversation couldn't flow too freely thanks to him being incarcerated in Bangkok prison at the time.
I think others sometimes posted from the forum account, but Ulbricht kept a vice-like grip on his market account
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I can imagine it’s so satisfying and exciting to get those tidbits of info that piece the jigsaw together. The bedlam that played out over the forum in the aftermath was a cloud of paranoia and adrenaline that kept me refreshing pages for days. Would love to hear accounts from SSBD, Inigo and Libertas from this time. One last question: what were your thoughts when the Chloe Ayling story first broke? I assumed it was a publicity stunt. I don't think that any more. I guess I can't blame her for milking her kidnapping for publicity in the aftermath, though I don't think she does herself any favors the way she goes about it sometimes
Sorry if this has been covered before but in your research, mainly related to child abuse, where are these children coming from? Children in their care/ family? Kidnapped? The vast majority of child abuse is carried out by someone within their social circle - family and acquaintances. However, the hurtcore stuff was often carried out in third world countries on orphans or where desperate families gave up their children to "benefactors" who they believed were going to provide food an education
What Casefile episodes have you written? I became obsessed with it and ripped through all the episodes and now nothing will fill that void. Thanks for your efforts! Casefile – the murder of Amy Allwine
Casefile – Blue Skies, Black Death
Casefile – Ella Tundra
Casefile – Dnepropetrovsk Maniacs
Casefile – Motown Murders
Casefile – Rebecca Schaeffer
Casefile – Sian Kingi
Casefile – John & Mark
Casefile – Shauna Howe
Casefile – Chloe Ayling
Casefile – Johnny Altinger
Casefile – Killer Petey
Casefile – The Santa Claus Bank Robbery
Casefile – Martha Puebla
Casefile – Leigh Leigh
Is there any way parents can keep their kids safe from this without being helicopter parents? I'll cut'n'paste a response i gave to someone else about this, because it was something that really stuck out to me:
The one thing I found really interesting when I was lurking the forums of the child predators was their frustration about how children are now taught from a very young age that certain touching and acts are wrong and that they shouldn't keep certain secrets. It came up over and over again that they could not abuse certain children because they knew those children had someone they would tell. It was pretty clear that education was a child's best defence against getting abused. Kids who speak up and who have close relationships with one or more people they are likely to confide in
What does it take in terms of degrees and experience to get into this business? Nothing official. I was a lawyer, but that had no bearing on what I do now (I did corporate law). I didn't have any official credentials when I began as a freelance journalist, though later I got a diploma of professional writing and editing. Anyone can be an author, provided they can write
If you could take a guess from your findings, what would be some speculative statistics on these abuse/torture sites? How many people (tens of thousands?) are involved? Do they generally come from the same places in the world or are they seemingly geographically random (based on victim ethnicity, or language spoken, perhaps)... what are some quantifying stats to wrap our heads around how prevalent this shit is? Most dark web users come from western countries, just because infrastructure supports it. The sites often have tens of thousands of registered users, but a lot of them would be people for whom curiosity got the better of them and who signed up then left. Active users more like in the thousands, hyper-active users the hundreds.
One of the things that makes life difficult for law enforcement is that most of these sites don't operate on a commercial basis - people aren't making money from them, so there is no cryptocurrency chain to follow. They operate on a sharing basis and to get access to the more private parts of the sites, a user has to upload "fresh" material and/or prove they are actively abusing a child. Hurt2theCore used to get users to have the children hold up signs or have the site name or a username written on their bodies with a marker. This stopped law enforcement from getting access to those parts (like the "producers lounge") of the sites unless they were able to take over an account of a user who already had access. Even then, the rules of the hurtcore sites would require constant new proof in order to maintain access.
Some sites allowed people to buy access, such as one called "Welcome to Video" and then were taken down by law enforcement carrying out blockchain analysis of the Bitcoin transaction that led to the owner when they cashed out to fiat without moneylaundering precautions
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Do you think LE uses deep fakes to simulate a picture to gain access? Is that possible? It is definitely possible, but I don't know whether they are doing it as they are understandably secretive about their methods. I know it is deeply problematic, as even fake child porn is still illegal (even cartoon stuff, including some Hentai in some countries). But they have used questionable methods before, most notably running the dark web's largest site, Playpen, for over a year in order to identify contact offenders
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Am I hearing you that many people are NOT doing this for financial gain? Just to do it and share it?? Child exploitation, yes, it is mostly a sharing community. Some people make some money out of it, but it is not like drugs where a lot of people are making a LOT of money
On the subject of abused kids... did you ever help the kids in any way? I never met any of the kids. I never saw any of the photos and videos. I don't know who any of the kids are.
Daisy has been taken into care and her identity changed. I hope she is doing okay
What exactly does the dark web look like? You hear about it often, but don’t know if it looks like Google Chrome, Safari, or just a page full of code. It looks like a normal browser and operates just like a normal browser. It's just that it can access sites that your normal browser can't.
e.g. http://thehub5himseelprs44xzgfrb4obgujkqwy5tzbsh5yttebqhaau23yd.onion/index.php is the URL of a dark web forum. If you plug it into your normal browser you will get an error. If you plug it into the Tor browser you will get the registration page for The Hub
How do you keep yourself from hating all humanity? I am happy to report that, even on the dark web, the good people outnumber the bad
Hi! First off I'd like to say that I find what you do quite fascinating and would love to do something like that in the future. My question is in regards to art and other forms of artistic expression on the dark web. Is it true that the dark web is a place where you can also find awesome things such as art and literature? Not really, because all that stuff is readily available on the clearweb. There are sites like the Imperial Library of Trantor, which is a pirate site for books, where you can read thousands of books for free, but that's really no different to The Pirate Bay. Some people share their LSD art, but again, nothing you won't find on the clearweb
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A criticism of the article "Six monetarist errors: why emission won't feed inflation"

(be gentle, it's my first RI attempt, :P; I hope I can make justice to the subject, this is my layman understanding of many macro subjects which may be flawed...I hope you can illuminate me if I have fallen short of a good RI)
Introduction
So, today a heterodox leaning Argentinian newspaper, Ambito Financiero, published an article criticizing monetarism called "Six monetarist errors: why emission won't feed inflation". I find it doesn't properly address monetarism, confuses it with other "economic schools" for whatever the term is worth today and it may be misleading, so I was inspired to write a refutation and share it with all of you.
In some ways criticizing monetarism is more of a historical discussion given the mainstream has changed since then. Stuff like New Keynesian models are the bleeding edge, not Milton Friedman style monetarism. It's more of a symptom that Argentinian political culture is kind of stuck in the 70s on economics that this things keep being discussed.
Before getting to the meat of the argument, it's good to have in mind some common definitions about money supply measures (specifically, MB, M1 and M2). These definitions apply to US but one can find analogous stuff for other countries.
Argentina, for the lack of access to credit given its economic mismanagement and a government income decrease because of the recession, is monetizing deficits way more than before (like half of the budget, apparently, it's money financed) yet we have seen some disinflation (worth mentioning there are widespread price freezes since a few months ago). The author reasons that monetary phenomena cannot explain inflation properly and that other explanations are needed and condemns monetarism. Here are the six points he makes:
1.Is it a mechanical rule?
This way, we can ask by symmetry: if a certainty exists that when emission increases, inflation increases, the reverse should happen when emission becomes negative, obtaining negative inflation. Nonetheless, we know this happens: prices have an easier time increasing and a lot of rigidity decreasing. So the identity between emission and inflation is not like that, deflation almost never exists and the price movement rhythm cannot be controlled remotely only with money quantity. There is no mechanical relationship between one thing and the other.
First, the low hanging fruit: deflation is not that uncommon, for those of you that live in US and Europe it should be obvious given the difficulties central banks had to achieve their targets, but even Argentina has seen deflation during its depression 20 years ago.
Second, we have to be careful with what we mean by emission. A statement of quantity theory of money (extracted from "Money Growth and Inflation: How Long is the Long-Run?") would say:
Inflation occurs when the average level of prices increases. Individual price increases in and of themselves do not equal inflation, but an overall pattern of price increases does. The price level observed in the economy is that which leads the quantity of money supplied to equal the quantity of money demanded. The quantity of money supplied is largely controlled by the [central bank]. When the supply of money increases or decreases, the price level must adjust to equate the quantity of money demanded throughout the economy with the quantity of money supplied. The quantity of money demanded depends not only on the price level but also on the level of real income, as measured by real gross domestic product (GDP), and a variety of other factors including the level of interest rates and technological advances such as the invention of automated teller machines. Money demand is widely thought to increase roughly proportionally with the price level and with real income. That is, if prices go up by 10 percent, or if real income increases by 10 percent, empirical evidence suggests people want to hold 10 percent more money. When the money supply grows faster than the money demand associated with rising real incomes and other factors, the price level must rise to equate supply and demand. That is, inflation occurs. This situation is often referred to as too many dollars chasing too few goods. Note that this theory does not predict that any money-supply growth will lead to inflation—only that part of money supply growth that exceeds the increase in money demand associated with rising real GDP (holding the other factors constant).
So it's not mere emission, but money supply growing faster than money demand which we should consider. So negative emission is not necessary condition for deflation in this theory.
It's worth mentioning that the relationship with prices is observed for a broad measure of money (M2) and after a lag. From the same source of this excerpt one can observe in Fig. 3a the correlation between inflation and money growth for US becomes stronger the longer data is averaged. Price rigidities don't have to change this long term relationship per se.
But what about causality and Argentina? This neat paper shows regressions in two historical periods: 1976-1989 and 1991-2001. The same relationship between M2 and inflation is observed, stronger in the first, highly inflationary period and weaker in the second, more stable, period. The regressions a 1-1 relationship in the high inflation period but deviates a bit in the low inflation period (yet the relationship is still there). Granger causality, as interpreted in the paper, shows prices caused money growth in the high inflation period (arguably because spending was monetized) while the reverse was true for the more stable period.
So one can argue that there is a mechanical relationship, albeit one that is more complicated than simple QTOM theory. The relationship is complicated too for low inflation economies, it gets more relevant the higher inflation is.
Another point the author makes is that liquidity trap is often ignored. I'll ignore the fact that you need specific conditions for the liquidity trap to be relevant to Argentina and address the point. Worth noting that while market monetarists (not exactly old fashioned monetarists) prefer alternative explanations for monetary policy with very low interest rates, this phenomena has a good monetary basis, as explained by Krugman in his famous japanese liquidity trap paper and his NYT blog (See this and this for some relevant articles). The simplified version is that while inflation may follow M2 growth with all the qualifiers needed, central banks may find difficulties targeting inflation when interest rates are low and agents are used to credible inflation targets. Central banks can change MB, not M2 and in normal times is good enough, but at those times M2 is out of control and "credibly irresponsible" policies are needed to return to normal (a more detailed explanation can be found in that paper I just linked, go for it if you are still curious).
It's not like monetary policy is not good, it's that central banks have to do very unconventional stuff to achieve in a low interest rate environment. It's still an open problem but given symmetric inflation targeting policies are becoming more popular I'm optimistic.
2 - Has inflation one or many causes?
In Argentina we know that the main determinant of inflation is dollar price increases. On that, economic concentration of key markets, utility price adjustments, fuel prices, distributive struggles, external commodity values, expectatives, productive disequilibrium, world interest rates, the economic cycle, stationality and external sector restrictions act on it too.
Let's see a simple example: during Macri's government since mid 2017 to 2019 emission was practically null, but when in 2018 the dollar value doubled, inflation doubled too (it went from 24% to 48% in 2018) and it went up again a year later. We see here that the empirical validity of monetarist theory was absent.
For the first paragraph, one could try to run econometric tests for all those variables, at least from my layman perspective. But given that it doesn't pass the smell test (has any country used that in its favor ignoring monetary policy? Also, I have shown there is at least some evidence for the money-price relationship before), I'll try to address what happened in Macri's government and if monetarism (or at least some reasonable extension of it) cannot account for it.
For a complete description of macroeconomic policy on that period, Sturzenegger account is a good one (even if a bit unreliable given he was the central banker for that government and he is considered to have been a failure). The short version is that central banks uses bonds to manage monetary policy and absorb money; given the history of defaults for the country, the Argentinian Central Bank (BCRA) uses its own peso denominated bonds instead of using treasury bonds. At that time period, the BCRA still financed the treasury but the amount got reduced. Also, it emitted pesos to buy dollar reserves, then sterilized them, maybe risking credibility further.
Near the end of 2017 it was evident the government had limited appetite for budget cuts, it had kind of abandoned its inflation target regime and the classic problem of fiscal dominance emerged, as it's shown in the classic "Unpleasant monetarist arithmetic" paper by Wallace and Sargent. Monetary policy gets less effective when the real value of bonds falls, and raising interest rates may be counterproductive in that environment. Rational expectations are needed to complement QTOM.
So, given that Argentina promised to go nowhere with reform, it was expected that money financing would increase at some point in the future and BCRA bonds were dumped in 2018 and 2019 as their value was perceived to have decreased, and so peso demand decreased. It's not that the dollar value increased and inflation followed, but instead that peso demand fell suddenly!
The IMF deal asked for MB growth to be null or almost null but that doesn't say a lot about M2 (which it's the relevant variable here). Without credible policies, the peso demand keeps falling because bonds are dumped even more (see 2019 for a hilariously brutal example of that).
It's not emission per se, but rather that it doesn't adjust properly to peso demand (which is falling). That doesn't mean increasing interest rates is enough to achieve it, following Wallace and Sargent model.
This is less a strict proof that a monetary phenomenon is involved and more stating that the author hasn't shown any problem with that, there are reasonable models for this situation. It doesn't look like an clear empirical failure to me yet.
3 - Of what we are talking about when we talk about emission?
The author mentions many money measures (M0, M1, M2) but it doesn't address it meaningfully as I tried to do above. It feels more like a rhetorical device because there is no point here except "this stuff exists".
Also, it's worth pointing that there are actual criticisms to make to Friedman on those grounds. He failed to forecast US inflation at some points when he switched to M1 instead of using M2, although he later reverted that. Monetarism kind of "failed" there (it also "failed" in the sense that modern central banks don't use money, but instead interest rates as their main tool; "failed" because despite being outdated, it was influential to modern central banking). This is often brought to this kind of discussions like if economics hasn't moved beyond that. For an account of Friedman thoughts on monetary policies and his failures, see this.
4 - Why do many countries print and inflation doesn't increase there?
There is a mention about the japanese situation in the 90s (the liquidity trap) which I have addressed.
The author mentions that many countries "printed" like crazy during the pandemic, and he says:
Monetarism apologists answer, when confronted with those grave empirical problems that happen in "serious countries", that the population "trusts" their monetary authorities, even increasing the money demand in those place despite the emission. Curious, though, it's an appeal to "trust" implying that the relationship between emission and inflation is not objective, but subjective and cultural: an appreciation that abandons mechanicism and the basic certainty of monetarism, because evaluations and diagnostics, many times ideologic, contextual or historical intervene..
That's just a restatement of applying rational expectations to central bank operations. I don't see a problem with that. Rational expectations is not magic, it's an assessment of future earnings by economic actors. Humans may not 100% rational but central banking somehow works on many countries. You cannot just say that people are ideologues and let it at that. What's your model?
Worth noting the author shills for bitcoin a bit in this section, for more cringe.
5 - Are we talking of a physical science or a social science?
Again, a vague mention of rational expectations ("populists and pro market politicians could do the same policies with different results because of how agents respond ideologically and expectatives") without handling the subject meaningfully. It criticizes universal macroeconomic rules that apply everywhere (this is often used to dismiss evidence from other countries uncritically more than as a meaningful point).
6 - How limits work?
The last question to monetarism allows to recognize it something: effectively we can think on a type of vinculation between emission and inflation in extreme conditions. That means, with no monetary rule, no government has the need of taxes but instead can emit and spend all it needs without consequence. We know it's not like that: no government can print infinitely without undesirable effects.
Ok, good disclaimer, but given what he wrote before, what's the mechanism which causes money printing to be inflationary at some point? It was rejected before but now it seems that it exists. What was even the point of the article?
Now, the problem is thinking monetarism on its extremes: without emission we have inflation sometimes, on others we have no inflation with emission, we know that if we have negative emission that doesn't guarantees us negative inflation, but that if emission is radically uncontrolled there will economic effects.
As I wrote above, that's not what monetarism (even on it's simpler form) says, nor a consequence of it. You can see some deviations in low inflation environment but it's not really Argentina's current situation.
Let's add other problems: the elastic question between money and prices is not evident. Neither is time lags in which can work or be neutral. So the question is the limit cases for monetarism which has some reason but some difficulty in explaining them: by which and it what moments rules work and in which it doesn't.
I find the time lag thing to be a red herring. You can observe empirically and not having a proper short/middle run model doesn't invalidate QTOM in the long run. While it may be that increasing interest rates or freezing MB is not effective, that's less a problem of the theory and more a problem of policy implementation.
Conclusion:
I find that the article doesn't truly get monetarism to begin with (see the points it makes about emission and money demand), neither how it's implemented in practice, nor seems to be aware of more modern theories that, while put money on the background, don't necessarily invalidate it (rational expectation ideas, and eventually New Keynesian stuff which addresses stuff like liquidity traps properly).
There are proper criticisms to be made to Friedman old ideas but he still was a relevant man in his time and the economic community has moved on to new, better theories that have some debt to it. I feel most economic discussion about monetarism in Argentina is a strawman of mainstream economics or an attack on Austrians more than genuine points ("monetarism" is used as a shorthand for those who think inflation is a monetary phenomenon more than referring to Friedman and his disciples per se).
submitted by Neronoah to badeconomics [link] [comments]

How To End The Cryptocurrency Exchange "Wild West" Without Crippling Innovation


In case you haven't noticed the consultation paper, staff notice, and report on Quadriga, regulators are now clamping down on Canadian cryptocurrency exchanges. The OSC and other regulatory bodies are still interested in industry feedback. They have not put forward any official regulation yet. Below are some ideas/insights and a proposed framework.



Many of you have limited time to read the full proposal, so here are the highlights:

Offline Multi-Signature

Effective standards to prevent both internal and external theft. Exchange operators are trained and certified, and have a legal responsibility to users.

Regular Transparent Audits

Provides visibility to Canadians that their funds are fully backed on the exchange, while protecting privacy and sensitive platform information.

Insurance Requirements

Establishment of basic insurance standards/strategy, to expand over time. Removing risk to exchange users of any hot wallet theft.


Background and Justifications


Cold Storage Custody/Management
After reviewing close to 100 cases, all thefts tend to break down into more or less the same set of problems:
• Funds stored online or in a smart contract,
• Access controlled by one person or one system,
• 51% attacks (rare),
• Funds sent to the wrong address (also rare), or
• Some combination of the above.
For the first two cases, practical solutions exist and are widely implemented on exchanges already. Offline multi-signature solutions are already industry standard. No cases studied found an external theft or exit scam involving an offline multi-signature wallet implementation. Security can be further improved through minimum numbers of signatories, background checks, providing autonomy and legal protections to each signatory, establishing best practices, and a training/certification program.
The last two transaction risks occur more rarely, and have never resulted in a loss affecting the actual users of the exchange. In all cases to date where operators made the mistake, they've been fully covered by the exchange platforms.
• 51% attacks generally only occur on blockchains with less security. The most prominent cases have been Bitcoin Gold and Ethereum Classic. The simple solution is to enforce deposit limits and block delays such that a 51% attack is not cost-effective.
• The risk of transactions to incorrect addresses can be eliminated by a simple test transaction policy on large transactions. By sending a small amount of funds prior to any large withdrawals/transfers as a standard practice, the accuracy of the wallet address can be validated.
The proposal covers all loss cases and goes beyond, while avoiding significant additional costs, risks, and limitations which may be associated with other frameworks like SOC II.

On The Subject of Third Party Custodians
Many Canadian platforms are currently experimenting with third party custody. From the standpoint of the exchange operator, they can liberate themselves from some responsibility of custody, passing that off to someone else. For regulators, it puts crypto in similar categorization to oil, gold, and other commodities, with some common standards. Platform users would likely feel greater confidence if the custodian was a brand they recognized. If the custodian was knowledgeable and had a decent team that employed multi-sig, they could keep assets safe from internal theft. With the right protections in place, this could be a great solution for many exchanges, particularly those that lack the relevant experience or human resources for their own custody systems.
However, this system is vulnerable to anyone able to impersonate the exchange operators. You may have a situation where different employees who don't know each other that well are interacting between different companies (both the custodian and all their customers which presumably isn't just one exchange). A case study of what can go wrong in this type of environment might be Bitpay, where the CEO was tricked out of 5000 bitcoins over 3 separate payments by a series of emails sent legitimately from a breached computer of another company CEO. It's also still vulnerable to the platform being compromised, as in the really large $70M Bitfinex hack, where the third party Bitgo held one key in a multi-sig wallet. The hacker simply authorized the withdrawal using the same credentials as Bitfinex (requesting Bitgo to sign multiple withdrawal transactions). This succeeded even with the use of multi-sig and two heavily security-focused companies, due to the lack of human oversight (basically, hot wallet). Of course, you can learn from these cases and improve the security, but so can hackers improve their deception and at the end of the day, both of these would have been stopped by the much simpler solution of a qualified team who knew each other and employed multi-sig with properly protected keys. It's pretty hard to beat a human being who knows the business and the typical customer behaviour (or even knows their customers personally) at spotting fraud, and the proposed multi-sig means any hacker has to get through the scrutiny of 3 (or more) separate people, all of whom would have proper training including historical case studies.
There are strong arguments both for and against using use of third party custodians. The proposal sets mandatory minimum custody standards would apply regardless if the cold wallet signatories are exchange operators, independent custodians, or a mix of both.

On The Subject Of Insurance
ShakePay has taken the first steps into this new realm (congratulations). There is no question that crypto users could be better protected by the right insurance policies, and it certainly feels better to transact with insured platforms. The steps required to obtain insurance generally place attention in valuable security areas, and in this case included a review from CipherTrace. One of the key solutions in traditional finance comes from insurance from entities such as the CDIC.
However, historically, there wasn't found any actual insurance payout to any cryptocurrency exchange, and there are notable cases where insurance has not paid. With Bitpay, for example, the insurance agent refused because the issue happened to the third party CEO's computer instead of anything to do with Bitpay itself. With the Youbit exchange in South Korea, their insurance claim was denied, and the exchange ultimately ended up instead going bankrupt with all user's funds lost. To quote Matt Johnson in the original Lloyd's article: “You can create an insurance policy that protects no one – you know there are so many caveats to the policy that it’s not super protective.”
ShakePay's insurance was only reported to cover their cold storage, and “physical theft of the media where the private keys are held”. Physical theft has never, in the history of cryptocurrency exchange cases reviewed, been reported as the cause of loss. From the limited information of the article, ShakePay made it clear their funds are in the hands of a single US custodian, and at least part of their security strategy is to "decline[] to confirm the custodian’s name on the record". While this prevents scrutiny of the custodian, it's pretty silly to speculate that a reasonably competent hacking group couldn't determine who the custodian is. A far more common infiltration strategy historically would be social engineering, which has succeeded repeatedly. A hacker could trick their way into ShakePay's systems and request a fraudulent withdrawal, impersonate ShakePay and request the custodian to move funds, or socially engineer their way into the custodian to initiate the withdrawal of multiple accounts (a payout much larger than ShakePay) exploiting the standard procedures (for example, fraudulently initiating or override the wallet addresses of a real transfer). In each case, nothing was physically stolen and the loss is therefore not covered by insurance.
In order for any insurance to be effective, clear policies have to be established about what needs to be covered. Anything short of that gives Canadians false confidence that they are protected when they aren't in any meaningful way. At this time, the third party insurance market does not appear to provide adequate options or coverage, and effort is necessary to standardize custody standards, which is a likely first step in ultimately setting up an insurance framework.
A better solution compared to third party insurance providers might be for Canadian exchange operators to create their own collective insurance fund, or a specific federal organization similar to the CDIC. Such an organization would have a greater interest or obligation in paying out actual cases, and that would be it's purpose rather than maximizing it's own profit. This would be similar to the SAFU which Binance has launched, except it would cover multiple exchanges. There is little question whether the SAFU would pay out given a breach of Binance, and a similar argument could be made for a insurance fund managed by a collective of exchange operators or a government organization. While a third party insurance provider has the strong market incentive to provide the absolute minimum coverage and no market incentive to payout, an entity managed by exchange operators would have incentive to protect the reputation of exchange operators/the industry, and the government should have the interest of protecting Canadians.

On The Subject of Fractional Reserve
There is a long history of fractional reserve failures, from the first banks in ancient times, through the great depression (where hundreds of fractional reserve banks failed), right through to the 2008 banking collapse referenced in the first bitcoin block. The fractional reserve system allows banks to multiply the money supply far beyond the actual cash (or other assets) in existence, backed only by a system of debt obligations of others. Safely supporting a fractional reserve system is a topic of far greater complexity than can be addressed by a simple policy, and when it comes to cryptocurrency, there is presently no entity reasonably able to bail anyone out in the event of failure. Therefore, this framework is addressed around entities that aim to maintain 100% backing of funds.
There may be some firms that desire but have failed to maintain 100% backing. In this case, there are multiple solutions, including outside investment, merging with other exchanges, or enforcing a gradual restoration plan. All of these solutions are typically far better than shutting down the exchange, and there are multiple cases where they've been used successfully in the past.

Proof of Reserves/Transparency/Accountability
Canadians need to have visibility into the backing on an ongoing basis.
The best solution for crypto-assets is a Proof of Reserve. Such ideas go back all the way to 2013, before even Mt. Gox. However, no Canadian exchange has yet implemented such a system, and only a few international exchanges (CoinFloor in the UK being an example) have. Many firms like Kraken, BitBuy, and now ShakePay use the Proof of Reserve term to refer to lesser proofs which do not actually cryptographically prove the full backing of all user assets on the blockchain. In order for a Proof of Reserve to be effective, it must actually be a complete proof, and it needs to be understood by the public that is expected to use it. Many firms have expressed reservations about the level of transparency required in a complete Proof of Reserve (for example Kraken here). While a complete Proof of Reserves should be encouraged, and there are some solutions in the works (ie TxQuick), this is unlikely to be suitable universally for all exchange operators and users.
Given the limitations, and that firms also manage fiat assets, a more traditional audit process makes more sense. Some Canadian exchanges (CoinSquare, CoinBerry) have already subjected themselves to annual audits. However, these results are not presently shared publicly, and there is no guarantee over the process including all user assets or the integrity and independence of the auditor. The auditor has been typically not known, and in some cases, the identity of the auditor is protected by a NDA. Only in one case (BitBuy) was an actual report generated and publicly shared. There has been no attempt made to validate that user accounts provided during these audits have been complete or accurate. A fraudulent fractional exchange, or one which had suffered a breach they were unwilling to publicly accept (see CoinBene), could easily maintain a second set of books for auditors or simply exclude key accounts to pass an individual audit.
The proposed solution would see a reporting standard which includes at a minimum - percentage of backing for each asset relative to account balances and the nature of how those assets are stored, with ownership proven by the auditor. The auditor would also publicly provide a "hash list", which they independently generate from the accounts provided by the exchange. Every exchange user can then check their information against this public "hash list". A hash is a one-way form of encryption, which fully protects the private information, yet allows anyone who knows that information already to validate that it was included. Less experienced users can take advantage of public tools to calculate the hash from their information (provided by the exchange), and thus have certainty that the auditor received their full balance information. Easy instructions can be provided.
Auditors should be impartial, their identities and process public, and they should be rotated so that the same auditor is never used twice in a row. Balancing the cost of auditing against the needs for regular updates, a 6 month cycle likely makes the most sense.

Hot Wallet Management
The best solution for hot wallets is not to use them. CoinBerry reportedly uses multi-sig on all withdrawals, and Bitmex is an international example known for their structure devoid of hot wallets.
However, many platforms and customers desire fast withdrawal processes, and human validation has a cost of time and delay in this process.
A model of self-insurance or separate funds for hot wallets may be used in these cases. Under this model, a platform still has 100% of their client balance in cold storage and holds additional funds in hot wallets for quick withdrawal. Thus, the risk of those hot wallets is 100% on exchange operators and not affecting the exchange users. Since most platforms typically only have 1%-5% in hot wallets at any given time, it shouldn't be unreasonable to build/maintain these additional reserves over time using exchange fees or additional investment. Larger withdrawals would still be handled at regular intervals from the cold storage.
Hot wallet risks have historically posed a large risk and there is no established standard to guarantee secure hot wallets. When the government of South Korea dispatched security inspections to multiple exchanges, the results were still that 3 of them got hacked after the inspections. If standards develop such that an organization in the market is willing to insure the hot wallets, this could provide an acceptable alternative. Another option may be for multiple exchange operators to pool funds aside for a hot wallet insurance fund. Comprehensive coverage standards must be established and maintained for all hot wallet balances to make sure Canadians are adequately protected.

Current Draft Proposal

(1) Proper multi-signature cold wallet storage.
(a) Each private key is the personal and legal responsibility of one person - the “signatory”. Signatories have special rights and responsibilities to protect user assets. Signatories are trained and certified through a course covering (1) past hacking and fraud cases, (2) proper and secure key generation, and (3) proper safekeeping of private keys. All private keys must be generated and stored 100% offline by the signatory. If even one private keys is ever breached or suspected to be breached, the wallet must be regenerated and all funds relocated to a new wallet.
(b) All signatories must be separate background-checked individuals free of past criminal conviction. Canadians should have a right to know who holds their funds. All signing of transactions must take place with all signatories on Canadian soil or on the soil of a country with a solid legal system which agrees to uphold and support these rules (from an established white-list of countries which expands over time).
(c) 3-5 independent signatures are required for any withdrawal. There must be 1-3 spare signatories, and a maximum of 7 total signatories. The following are all valid combinations: 3of4, 3of5, 3of6, 4of5, 4of6, 4of7, 5of6, or 5of7.
(d) A security audit should be conducted to validate the cold wallet is set up correctly and provide any additional pertinent information. The primary purpose is to ensure that all signatories are acting independently and using best practices for private key storage. A report summarizing all steps taken and who did the audit will be made public. Canadians must be able to validate the right measures are in place to protect their funds.
(e) There is a simple approval process if signatories wish to visit any country outside Canada, with a potential whitelist of exempt countries. At most 2 signatories can be outside of aligned jurisdiction at any given time. All exchanges would be required to keep a compliant cold wallet for Canadian funds and have a Canadian office if they wish to serve Canadian customers.
(2) Regular and transparent solvency audits.
(a) An audit must be conducted at founding, after 3 months of operation, and at least once every 6 months to compare customer balances against all stored cryptocurrency and fiat balances. The auditor must be known, independent, and never the same twice in a row.
(b) An audit report will be published featuring the steps conducted in a readable format. This should be made available to all Canadians on the exchange website and on a government website. The report must include what percentage of each customer asset is backed on the exchange, and how those funds are stored.
(c) The auditor will independently produce a hash of each customer's identifying information and balance as they perform the audit. This will be made publicly available on the exchange and government website, along with simplified instructions that each customer can use to verify that their balance was included in the audit process.
(d) The audit needs to include a proof of ownership for any cryptocurrency wallets included. A satoshi test (spending a small amount) or partially signed transaction both qualify.
(e) Any platform without 100% reserves should be assessed on a regular basis by a government or industry watchdog. This entity should work to prevent any further drop, support any private investor to come in, or facilitate a merger so that 100% backing can be obtained as soon as possible.
(3) Protections for hot wallets and transactions.
(a) A standardized list of approved coins and procedures will be established to constitute valid cold storage wallets. Where a multi-sig process is not natively available, efforts will be undertaken to establish a suitable and stable smart contract standard. This list will be expanded and improved over time. Coins and procedures not on the list are considered hot wallets.
(b) Hot wallets can be backed by additional funds in cold storage or an acceptable third-party insurance provider with a comprehensive coverage policy.
(c) Exchanges are required to cover the full balance of all user funds as denominated in the same currency, or double the balance as denominated in bitcoin or CAD using an established trading rate. If the balance is ever insufficient due to market movements, the firm must rectify this within 24 hours by moving assets to cold storage or increasing insurance coverage.
(d) Any large transactions (above a set threshold) from cold storage to any new wallet addresses (not previously transacted with) must be tested with a smaller transaction first. Deposits of cryptocurrency must be limited to prevent economic 51% attacks. Any issues are to be covered by the exchange.
(e) Exchange platforms must provide suitable authentication for users, including making available approved forms of two-factor authentication. SMS-based authentication is not to be supported. Withdrawals must be blocked for 48 hours in the event of any account password change. Disputes on the negligence of exchanges should be governed by case law.

Steps Forward

Continued review of existing OSC feedback is still underway. More feedback and opinions on the framework and ideas as presented here are extremely valuable. The above is a draft and not finalized.
The process of further developing and bringing a suitable framework to protect Canadians will require the support of exchange operators, legal experts, and many others in the community. The costs of not doing such are tremendous. A large and convoluted framework, one based on flawed ideas or implementation, or one which fails to properly safeguard Canadians is not just extremely expensive and risky for all Canadians, severely limiting to the credibility and reputation of the industry, but an existential risk to many exchanges.
The responsibility falls to all of us to provide our insight and make our opinions heard on this critical matter. Please take the time to give your thoughts.
submitted by azoundria2 to QuadrigaInitiative [link] [comments]

The Privacy Coin Guide Part 1

As interest picks up in crypto again, I want to share this post I made on privacy coins again to just give the basics of their evolution. This is only part 1, and parts 2 and 3 are not available in this format, but this part is informative and basic.
If you’re looking for a quick and easy way to assess what the best privacy coin in the current space is, which has the best features, or which is most likely to give high returns, then this is not that guide. My goal is to give you the power to make your own decisions, to clearly state my biases, and educate. I really wanted to understand this niche of the crypto-space due to my background and current loyalties[1], and grasp the nuances of the features, origins and timelines of technologies used in privacy coins, while not being anything close to a developer myself. This is going to be a 3-part series, starting with an overview and basic review of the technology, then looking at its implications, and ending with why I like a specific project. It might be mildly interesting or delightfully educational. Cryptocurrencies are young and existing privacy coins are deploying technology that is a work in progress. This series assumes a basic understanding of how blockchains work, specifically as used in cryptocurrencies. If you don’t have that understanding, might I suggest that you get it? [2],[3],[4] Because cryptocurrencies have a long way to go before reaching their end-game: when the world relies on the technology without understanding it. So, shall we do a deep dive into the privacy coin space?

FIRST THERE WAS BITCOIN

Cryptocurrencies allow you to tokenize value and track its exchange between hands over time, with transaction information verified by a distributed network of users. The most famous version of a cryptocurrency in use is Bitcoin, defined as peer-to-peer electronic cash. [5] Posted anonymously in 2008, the whitepaper seemed to be in direct response to the global financial meltdown and public distrust of the conventional banking and financing systems. Although cryptographic techniques are used in Bitcoin to ensure that (i) only the owner of a specific wallet has the authority to spend funds from that wallet, (ii) the public address is linked but cannot be traced by a third party to the private address (iii) the information is stored via cryptographic hashing in a merkle tree structure to ensure data integrity, the actual transaction information is publicly visible on the blockchain and can be traced back to the individual through chain analysis.[6] This has raised fears of possible financial censorship or the metaphorical tainting of money due to its origination point, as demonstrated in the Silk Road marketplace disaster.[7] This can happen because fiat money is usually exchanged for cryptocurrency at some point, as crypto-enthusiasts are born in the real world and inevitably cash out. There are already chain analysis firms and software that are increasingly efficient at tracking transactions on the Bitcoin blockchain.[8] This lack of privacy is one of the limitations of Bitcoin that has resulted in the creation of altcoins that experiment with the different features a cryptocurrency can have. Privacy coins are figuring out how to introduce privacy in addition to the payment network. The goal is to make the cryptocurrency fungible, each unit able to be exchanged for equal value without knowledge of its transaction history – like cash, while being publicly verifiable on a decentralized network. In other words, anyone can add the math up without being able to see the full details. Some privacy solutions and protocols have popped up as a result:

CRYPTONOTE – RING SIGNATURES AND STEALTH ADDRESSES

Used in: Monero and Particl as its successor RING-CT, Bytecoin
In December 2012, CryptoNote introduced the use of ring signatures and stealth addresses (along with other notable features such as its own codebase) to improve cryptocurrency privacy.[9] An updated CryptoNote version 2 came in October 2013 [10](though there is some dispute over this timeline [11]), also authored under the name Nicolas van Saberhagen. Ring signatures hide sender information by having the sender sign a transaction using a signature that could belong to multiple users. This makes a transaction untraceable. Stealth addresses allow a receiver to give a single address which generates a different public address for funds to be received at each time funds are sent to it. That makes a transaction unlinkable. In terms of privacy, CryptoNote gave us a protocol for untraceable and unlinkable transactions. The first implementation of CryptoNote technology was Bytecoin in March 2014 (timeline disputed [12]), which spawned many children (forks) in subsequent years, a notable example being Monero, based on CryptoNote v2 in April 2014.
RING SIGNATURES and STEALTH ADDRESSES

PROS

– Provides sender and receiver privacy
– Privacy can be default
– Mature technology
– Greater scalability with bulletproofs
– Does not require any third-party

CONS

– Privacy not very effective without high volume
-Does not hide transaction information if not combined with another protocol.

COINJOIN

Used in: Dash
Bitcoin developer Gregory Maxwell proposed a set of solutions to bring privacy to Bitcoin and cryptocurrencies, the first being CoinJoin (January 28 – Aug 22, 2013).[13],[14] CoinJoin (sometimes called CoinSwap) allows multiple users to combine their transactions into a single transaction, by receiving inputs from multiple users, and then sending their outputs to the multiple users, irrespective of who in the group the inputs came from. So, the receiver will get whatever output amount they were supposed to, but it cannot be directly traced to its origination input. Similar proposals include Coinshuffle in 2014 and Tumblebit in 2016, building on CoinJoin but not terribly popular [15],[16]. They fixed the need for a trusted third party to ‘mix’ the transactions. There are CoinJoin implementations that are being actively worked on but are not the most popular privacy solutions of today. A notable coin that uses CoinJoin technology is Dash, launched in January 2014, with masternodes in place of a trusted party.
COINJOIN

PROS

– Provides sender and receiver privacy
– Easy to implement on any cryptocurrency
– Lightweight
– Greater scalability with bulletproofs
– Mature technology

CONS

– Least anonymous privacy solution. Transaction amounts can be calculated
– Even without third-party mixer, depends on wealth centralization of masternodes

ZEROCOIN

Used in: Zcoin, PIVX
In May 2013, the Zerocoin protocol was introduced by John Hopkins University professor Matthew D. Green and his graduate students Ian Miers and Christina Garman.[17] In response to the need for use of a third party to do CoinJoin, the Zerocoin proposal allowed for a coin to be destroyed and remade in order to erase its history whenever it is spent. Zero-knowledge cryptography and zero-knowledge proofs are used to prove that the new coins for spending are being appropriately made. A zero-knowledge proof allows one party to prove to another that they know specific information, without revealing any information about it, other than the fact that they know it. Zerocoin was not accepted by the Bitcoin community as an implementation to be added to Bitcoin, so a new cryptocurrency had to be formed. Zcoin was the first cryptocurrency to implement the Zerocoin protocol in 2016. [18]
ZEROCOIN

PROS

– Provides sender and receiver privacy
– Supply can be audited
– Relatively mature technology
– Does not require a third-party

CONS

– Requires trusted setup (May not be required with Sigma protocol)
– Large proof sizes (not lightweight)
– Does not provide full privacy for transaction amounts

ZEROCASH

Used in: Zcash, Horizen, Komodo, Zclassic, Bitcoin Private
In May 2014, the current successor to the Zerocoin protocol, Zerocash, was created, also by Matthew Green and others (Eli Ben-Sasson, Alessandro Chiesa, Christina Garman, Matthew Green, Ian Miers, Eran Tromer, Madars Virza).[19] It improved upon the Zerocoin concept by taking advantage of zero-knowledge proofs called zk-snarks (zero knowledge succinct non-interactive arguments of knowledge). Unlike Zerocoin, which hid coin origins and payment history, Zerocash was faster, with smaller transaction sizes, and hides transaction information on the sender, receiver and amount. Zcash is the first cryptocurrency to implement the Zerocash protocol in 2016. [20]
ZEROCASH

PROS

– Provides full anonymity. Sender, receiver and amount hidden.
– Privacy can be default?
– Fast due to small proof sizes.
– Payment amount can be optionally disclosed for auditing
– Does not require any third-party

CONS

– Requires trusted setup. (May be improved with zt-starks technology)
– Supply cannot be audited. And coins can potentially be forged without proper implementation.
– Private transactions computationally intensive (improved with Sapling upgrade)

CONFIDENTIAL TRANSACTIONS

Used in: Monero and Particl with Ring Signatures as RING-CT
The next proposal from Maxwell was that of confidential transactions, proposed in June 2015 as part of the Sidechain Elements project from Blockstream, where Maxwell was Chief Technical Officer.[21],[22] It proposed to hide the transaction amount and asset type (e.g. deposits, currencies, shares), so that only the sender and receiver are aware of the amount, unless they choose to make the amount public. It uses homomorphic encryption[23] to encrypt the inputs and outputs by using blinding factors and a kind of ring signature in a commitment scheme, so the amount can be ‘committed’ to, without the amount actually being known. I’m terribly sorry if you now have the urge to go and research exactly what that means. The takeaway is that the transaction amount can be hidden from outsiders while being verifiable.
CONFIDENTIAL TRANSACTIONS

PROS

– Hides transaction amounts
– Privacy can be default
– Mature technology
– Does not require any third-party

CONS

– Only provides transaction amount privacy when used alone

RING-CT

Used in: Monero, Particl
Then came Ring Confidential transactions, proposed by Shen-Noether of Monero Research Labs in October 2015.[24] RingCT combines the use of ring signatures for hiding sender information, with the use of confidential transactions (which also uses ring signatures) for hiding amounts. The proposal described a new type of ring signature, A Multi-layered Linkable Spontaneous Anonymous Group signature which “allows for hidden amounts, origins and destinations of transactions with reasonable efficiency and verifiable, trustless coin generation”.[25] RingCT was implemented in Monero in January 2017 and made mandatory after September 2017.
RING -CONFIDENTIAL TRANSACTIONS

PROS

– Provides full anonymity. Hides transaction amounts and receiver privacy
– Privacy can be default
– Mature technology
– Greater scalability with bulletproofs
– Does not require any third-party

CONS

– Privacy not very effective without high volume

MIMBLEWIMBLE

Used in: Grin
Mimblewimble was proposed in July 2016 by pseudonymous contributor Tom Elvis Jedusorand further developed in October 2016 by Andrew Poelstra.[26],[27] Mimblewimble is a “privacy and fungibility focused cryptocoin transaction structure proposal”.[28] The key words are transaction structure proposal, so the way the blockchain is built is different, in order to accommodate privacy and fungibility features. Mimblewimble uses the concept of Confidential transactions to keep amounts hidden, looks at private keys and transaction information to prove ownership of funds rather than using addresses, and bundles transactions together instead of listing them separately on the blockchain. It also introduces a novel method of pruning the blockchain. Grin is a cryptocurrency in development that is applying Mimblewimble. Mimblewimble is early in development and you can understand it more here [29].
MIMBLEWIMBLE

PROS

– Hides transaction amounts and receiver privacy
– Privacy is on by default
– Lightweight
– No public addresses?

CONS

– Privacy not very effective without high volume
– Sender and receiver must both be online
– Relatively new technology

ZEXE

Fresh off the minds of brilliant cryptographers (Sean Bowe, Alessandro Chiesa, Matthew Green, Ian Miers, Pratyush Mishra, Howard Wu), in October 2018 Zexe proposed a new cryptographic primitive called ‘decentralized private computation.[30] It allows users of a decentralized ledger to “execute offline computations that result in transactions”[31], but also keeps transaction amounts hidden and allows transaction validation to happen at any time regardless of computations being done online. This can have far reaching implications for privacy coins in the future. Consider cases where transactions need to be automatic and private, without both parties being present.

NETWORK PRIVACY

Privacy technologies that look at network privacy as nodes communicate with each other on the network are important considerations, rather than just looking at privacy on the blockchain itself. Anonymous layers encrypt and/or reroute data as it moves among peers, so it is not obvious who they originate from on the network. They are used to protect against surveillance or censorship from ISPs and governments. The Invisible Internet Project (I2P) is an anonymous network layer that uses end to end encryption for peers on a network to communicate with each other.[32] Its history dates back to 2003. Kovri is a Monero created implementation of I2P.[33] The Onion Router (Tor) is another anonymity layer [34]) that Verge is a privacy cryptocurrency that uses. But its historical link to the US government may be is concerning to some[35]. Dandelion transaction relay is also an upcoming Bitcoin improvement proposal (BIP) that scrambles IP data that will provide network privacy for Bitcoin as transaction and other information is transmitted.[36],[37],[38]

UPCOMING

Monero completed bulletproofs protocol updates that reduce RINGCT transaction sizes and thus transaction fee costs. (Bulletproofs are a replacement for range proofs used in confidential transactions that aid in encrypting inputs and outputs by making sure they add to zero).
Sigma Protocol – being actively researched by Zcoin team as of 2018 to replace Zerocoin protocol so that a trusted setup is not required.[39] There is a possible replacement for zk-snarks, called zk-starks, another form of zero-knowledge proof technology, that may make a trusted set-up unnecessary for zero-knowledege proof coins.[40]

PART 1 CONCLUSION OF THE PRIVACY COIN GUIDE ON THE TECHNOLOGY BEHIND PRIVACY COINS

Although Bitcoin is still a groundbreaking technology that gives us a trust-less transaction system, it has failed to live up to its expectations of privacy. Over time, new privacy technologies have arrived and are arriving with innovative and exciting solutions for Bitcoin’s lack of fungibility. It is important to note that these technologies are built on prior research and application, but we are considering their use in cryptocurrencies. Protocols are proposed based on cryptographic concepts that show how they would work, and then developers actually implement them. Please note that I did not include the possibility of improper implementation as a disadvantage, and the advantages assume that the technical development is well done. A very important point is that coins can also adapt new privacy technologies as their merits become obvious, even as they start with a specific privacy protocol. Furthermore, I am, unfortunately, positive that this is not an exhaustive overview and I am only covering publicized solutions. Next, we’ll talk more about the pros and cons and give an idea of how the coins can be compared.

There's a video version that can be watched, and you can find out how to get the second two parts if you want on my website (video link on the page): https://cryptoramble.com/guide-on-privacy-coins/
submitted by CryptoRamble to ethereum [link] [comments]

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