Comment by Tiberium

14 hours ago

About $2.4 billion out of this is already frozen by Circle and Tether. Some of the big ones:

- 971.15M USDT (Ethereum): https://etherscan.io/tx/0x7baba482077843514d9c72bac0110ba091...

- 823M USDC (Ethereum): https://etherscan.io/tx/0xc954c86f118e8e410e6a3eb9e3b38ff4a9...

- 312.73M USDT (Tron): https://tronscan.org/#/transaction/71b0ec0fe873fe820c37cc3ec...

- 175M USDT (Ethereum): https://etherscan.io/tx/0x0c07a5e428ce233a3bcb40f257ad899594...

Probably not everyone knows, but USDT has a "black list", and admins can prevent any address holding USDT from spending. The black list is implemented in USDT contract.

So USDT is not truly decentralized and your money can be frozen for any reason or no reason at all.

  • So USDT is a great amazing decentralized censorship-free drop in replacement to USD except:

    - much more awkward to use

    - more liable to hacks

    - deposits are not insured

    - fewer legal protections

    - doesn’t pay interest (or not easily anyway)

    - and as I find out, bannable by a central institution with lower legal oversight than the Fed

    I’ll keep a mental note of this.

    • I have said this many times, and will probably have to say it many more: Stablecoins are nothing but a face-saving measure for the US government.

      It is politically impossible to go back on KYC/AML measures in the traditional financial system, even if some of them were perhaps a bit too ill-advised. It's much easier to say "this is shiny new tech, very different from that old tech over there; we support innovation so we won't impose KYC requirements on it", even if there's no logical reason to do that.

      As it stands, stablecoins let you make a keypair in the privacy of your own home (or your own agent sandbox, as it were) and immediately start transacting. They're allowed-by-default instead of blocked-by-default, with the US government still able to block you if they have a specific reason. No traditional bank I know of, in any country, works like this. This is a valuable capability to have, technologically, even if there's no technical reason why a Postgres database and a REST API couldn't provide the same service, but faster and more easily.

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    • That technically true for any coin where miners are organized enough, see the ethereum fork where bad contract made wrong people lose money so they forked entire chain to get the money back

    • Look into the history of USDT. It's creation was dodgy to say the least.

      Over time I believe it's founders did start backing it with Treasuries so now it must turn a nice profit for them.

    • > bannable by a central institution with lower legal oversight than the Fed

      It’s way easier to take a company to court than any government entity.

    • > great amazing decentralized censorship-free drop in replacement

      It's not and never supposed to be and everybody who uses it in any significant amount knows that. Don't mistake a cryptotoken with a cryptocurrency.

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    • USDT is created by a super shady company and is not at all decentralized or censorship-free. You could have made the argument for Bitcoin (and still can to a certain level) but most cryptos that propped up after that or stablecoins do not follow the hacker philosophy and more the banker one. Ironic that the whole crypto movement got co-opted by the likes of JPM which it seeked to replace.

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    • Tether's entire business model, providing an almost-unregulated USD cryptocurrency, relies on them not arbitrarily banning people. They don't do it frequently or without thought. You're far less likely to get banned from USDT than just about any non-cryptocurrency financial institution.

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  • Turns out that there are quite good reasons to have a centralised currency after all. Who would’ve known.

  • Arguably any fiat-collateralised stablecoin is ipso facto centralised and trusted (someone needs to 1) issue the coins only against fiat collateral and then 2) hold onto that collateral reliably and 3) return it upon presentation of the coin), and at step 3 they can always say "no, we won't give it to you".

    • Your point has nothing to do with fiat.

      It applies equally well to a fiduciary coin with a promise that 1 gcoin = 1g of gold or whatever.

      1 reply →

  • Decentralized is a great concept but it’s 99.9% rug pulls and you can’t get any safety unless you centralize. As an investor there is no way to protect yourself because the rug pulls are several orders of magnitude more sophisticated than most people’s understanding.

    • > As an investor there is no way to protect yourself

      Why? BTC is pretty stable longterm and nobody is going to touch your cold wallet. Anything that has an owner or legal entity is not decentralized, subject to either rug pull or censorship and shouldn't be touched, sounds very easy.

      Everything that promises you any return is a scam in crypto, simple as that.

  • The U.S. government is the largest beneficiary of this service. More than $2.1 billion in USDT connected to or requested by U.S. authorities out of over $4.4 billion in total illicit USDT freezes globally.

    • It's tethered to the USD. It seems expected that the government in charge of USD is doing the most blacklisting.

  • Did they ever show proof that they actually hold $1 for every tether? This was big a few years ago but never heard anything about it since. (I could Google it but others here probably want to know)

  • If they baked in a function to freeze USDT, why not also add a function revert a transaction flagged as part of a hack?

    • Because they own and control their own smart contracts but do not own the network that the contracts are deployed to.

      Plus, freezing funds and waiting for US law enforcement to weigh in rather than being the proverbial judge, jury and executioner is now likely to keep you on the right side of said law enforcement.

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  • I lost ~20,000 USDT by accident once and the CTO just sent me some freshly printed ones. That was many years ago though.

  • Anyone can refuse any bitcoin, too. But that's not implemented in the contract, just by how much real money people want to give you for bitcoin.

  • A shame that they can and do so here but happily facilitate transfers or scam victims, human trafficking and sexual abuse including of minors.

  • The financial system has evolved over 5000+ years and is like an endless series of Chesterton's Fences at this point. Here we find another: the ability for a regulator or a bank to freeze assets is once again proven to be a feature not a bug.

    Managing a wallet where there is no recourse if your wallet is compromised is simply too difficult when even crypto exchanges get hacked and otherwise sophisticated people get compromised when taking cautious measures (eg [1]).

    Crypto really is and always was a race to the rug pull.

    [1]: https://www.straitstimes.com/singapore/about-3-5-million-los...

    • You know what isn't a Chesterton's fence? Payment processors being able to dictate what I can or can't spend my money on.

      This by itself is a reason to push for more crypto acceptance, in my eyes.

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    • Yeah but what if I hacked that money fair and square? Why should anyone have the right to block my hard earned not-cash?

What's the point of even stealing the stablecoins? They're controlled by private companies that can easily freeze them

Am I missing something here? Seems like a waste of time

  • > waste of time

    It seems like it took some number of minutes and scored billions, and at that point it was a matter of whether/how much they could trade out before it was locked. I don’t know how many minutes or hours it took to lock? If they managed to trade 1% before blocking, that would be an extra tens of millions. If 10% that would be hundreds of millions, etc.

  • Apparently [1], he managed to put them as collateral on a lending platform. That allowed him to borrow ETH. The way it works is that if you don't pay back the loaned ETH, the lenders can take the collateral. Except that here the collateral is itself frozen. So apparently, the ETH as now safe in the hacker's wallet and the lenders just lost a bunch of money.

    I wonder why not swap them? And had he, would it have bricked the swap pool?

    [1] https://x.com/czesmaill/status/2115988477905080716

    • Maybe swap pools and/or law enforcement working together with stablecoin issuers are more vigilant about pools than they are about various DeFi lending pools, given that one usually represents a change of ownership while the other does not?

  • In this case it looks like the attacker managed to swap some stablecoins into ETH before they were frozen.

  • I'm not clear whether the stablecoin providers will then be "creating" new coin to make binance whole - without which you've still fucked binance

    • That's a quick recipe to lose all their customers

      That's exactly the scenario they say they would never do and go as far as to have external audits to prove that they're not just "printing" free cash

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    • Why would they? In addition to moral hazard (next time), this is binance's fuck-up.

      Have bad security, get hacked.

      If binance wanted to hedge against that risk, they could have bought a cyberinsurance policy (if they could get one for the amounts they'd need).

  • It reveals what they are to the public. It's fake crypto with all the downsides of crypto but none of the upsides.

If USDT gets to a frozen list - that means that Tether does not need to comply with requests to convert it into USD? I guess this is very useful for Tether and the other stable coin emitters.

That doesn't sound very decentralised.

  • Stablecoins only use the accoutrement of blockchain as smoke and mirrors to distract and confuse regulators, not because they actually benefit from it at a technical level. They aren't really decentralized at all and could just as easily be a database, except for the regulatory thing

  • nothing about crypto is decentralized. it's verified by enormous mining farms, who contribute hashes to centralized pools, all stored on one central ledger, and interfaces with the fiat/legit financial system only by using that very financial system.

    oh, and three acounts hold like 25% of all btc in circulation.

    crypto can do some things, but decentralization isn't one of them. just ask Coinbase

    USD tether is barely crypto at all, it's a wrapper around treasury bonds which the US govt. regulates

Interesting I didn’t know you can block/cancel transactions. Does this have to happen before the new block is minted. or it can happen after, that’s what I’m inclined to think just based off of the word block

  • Centralized stablecoins like USDT and USDC aren't layer-one cryptocurrencies like Bitcoin or Ethereum. They're more like applications running on top of other blockchains, usually as smart contracts, and their issuers hold admin keys which can freeze, mint, burn, and otherwise redistribute funds at will. As far as timing goes, stablecoin issuers can't actually cancel or reverse a transaction that's already in a block that's been mined, but they can freeze the receiving address afterward and burn the funds there, then reissue them elsewhere, which has much the same effect.

    • At which point they might as well use a database to keep track of the money, like banks do, and drop the cryptocurrency aspect, which was only ever a fig-leaf to keep regulators away.

Wait, it is decentralized but can be frozen ?

No. You just can't use these platforms. But a knowledgeable hacker will be able to add a transaction tot he blockchain.

> About $2.4 billion out of this is already frozen by Circle and Tether. Some of the big ones:

How does freezing crypto work in this context?

Freezing crypto is so disgusting to me I don’t know…

Like the whole point of crypto to me I money without central governance.

I never liked stable coins or the concept of it and it’s mainly a huge fraud, so freezing just adds on top.

  • That's not the whole point at all. And there are truly wild west cryptos, but most people want some trustworthy regulatory body, whether it's a government or not, backstopping their funds when they get large enough.

    For instance to unwind a 5 billion dollar robbery

  • Stablecoins are fiat on-chain and they are legal so they need to have the freezing mechanism in the smart contract otherwise they could go to jail.

    So crypto + legal company means not really following bitcoin ideology anymore

  • At least a motivated person could audit the smart contracts on this. It isn't like it's a surprise when it turns out it's possible to freeze these coins.

  • > Freezing crypto is so disgusting to me I don’t know…

    The feature literally appears to have just saved over two billion USD from being stolen! I mean, fine, "disgusting" is subjective. But the need for the feature is real and quantifiable (and very large) and it did what it advertised.

    • it cuts both ways - it's fine when 2B of heist money gets frozen, but much less "fine" when your paycheck gets frozen because you've attended a political rally the ruling party/class does not like.

  • It's so sad that it's inconvenient for you to commit fraud and tax evasion and pyramid schemes and rug pulls.

    My heart goes out to you, along with these two definitely not Nazi salutes.

I thought crypto was built specifically to prevent these 'freezing' actions? wtf

  • Does anyone on this website realize there are different types of crypto coins?

    • I am always amazed how little knowledge and cargo culting of 2017-era bitcoin knowledge is prevalent on HN. Whatever you monetary feelings towards crypto is, the technical aspects are fascinating. But most of the time HN gets it wrong.

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  • USDT is implemented as a contract written in Solidity, working over other network like ETH, and it has a blacklist managed by admins. Once address is added to a blacklist, you cannot spend anything from it.