[topher200]

From the beginning of TFA:

> An extreme example which proves the point: the cryptocurrency enthusiast community largely believes that code is law, “not your keys, not your coins”, etc. Many crypto enthusiasts would say that the Bitcoin protocol does not prohibit reversing transactions but provides a security guarantee which suggests that the likelihood of a reversal after an hour is infinitesimal.

> And yet: someone sent $70 million worth of Bitcoin in 2016, and that transaction was partially voided, with the reversal being worth slightly more than $70 million due to Bitcoin volatility. This didn’t happen an hour later; it happened in 2022. How?

> The answer is nowhere in the Bitcoin whitepaper or any codebase. A full recounting of it is outside the scope of this anecdote, but it rhymes with “If you and the United States federal government disagree whether a transaction is final, you are wrong.” That is true for notorious Bitcoin thefts, but also true for wire transfers, conveyances of real estate, credit card payments, and graverobbing. “Possession is nine-tenths of the law,” so the saying goes, but the state can conjure as many tenths as required if it is motivated to.

[DennisP]

"How" is easy: they were storing their private key in an online account and the government found it. Nothing in Bitcoin was reversed. The government confiscated their funds in the same way that criminals steal any other bitcoins with poorly-secured keys.

Just follow the link in the TFA if you want to verify that.

[jonas21]

That's exactly the point. If you define the universe to include only Bitcoin, then yes, transactions are final. But if you define the universe to include the real world, then the answer is no, not really -- governments will almost always find a way to reverse the transaction, whether it's seizing your private key, or holding you in contempt of court until you divulge it.