https://www.vice.com/en/article/jgmnpd/the-freedom-convoy-bi...
Many cryptocurrencies even build the functionality in directly. Tether, for example, can blacklist tokens: https://www.coindesk.com/business/2022/11/10/tether-freezes-...
> Many truckers now can’t cash out their donated bitcoin due to financial sanctions, with some of the bitcoins being seized from NobodyCaribou by the authorities.
”What are you saying, that I can convert bitcoin to dollars with impunity?”
“No, Neo - I’m saying that when you’re ready, you won’t have to.”
There is no one on earth who can “freeze” a bitcoin wallet, and beyond that point it’s put up or shut up.
Spoiler alert: In the US, thanks to our second amendment, the government will shut up in such a situation.