They weren't arrested for the code. They were arrested for actively participating and profiting off money laundering with North Korea being a customer.
Zero-knowledge proofs are different from public ledgers. That's where the issue comes in to play. The Treasury Department has already given guidance that cryptocurrency mixers fall under Know Your Customer laws and the Bank Secrecy Act, and are required to know who exactly is using their services and how.
It's not "Criminalizing Open Source". You live in a society with laws. Obfuscating classic financial products with tech jargon worked for the first half of the decade.
Y'all are just mad it doesn't work anymore and claim "You just don't understand the technology. You haven't issued guidance on specifics of crypto currency. You can't use hundred year old laws"
Yes, you can use 100 year old laws. At the end of the day, the financial shenanigans of most crypto, exchanges, and tokens are fundamentally the same things that have already been regulated. You just have new words.
If we’re using software metaphors for things that aren’t software, I can pull that card too.
GoFundMe is a business, which may do whatever it wants. Tornado Cash has no rights to obtain funds though GoFundMe.
Oh they've been sued and lost [1]? Maybe not that one.
[1]: https://apnews.com/article/sandy-hook-school-shooting-reming...
It doesn't have to be used for money laundering, and even if using it to move funds anonymously, that doesn't mean you're money laundering. There are good reasons to not want individuals and state actors whose jurisdiction you're not under to track your financial movements, even if you are reporting your income accurately with your own government.
The whole point of tornado cash is to "pool" funds to obfuscate who owns what. If your funds get "pooled" with funds from a criminal enterprise, then you become an accessory to that crime. Good luck using your hypothetical to convince a court otherwise.
"I didn't ask where the (other) money came from" is no defense.
Regardless of how you feel about it, you can’t deny that they were doing something illegal under US law, and a consequence of that is that the Feds can come down on you, even if the law seems ad hoc and unfair.