This is the key issue. Crypto by itself created little to no actual additional value. Especially when it devolved into just another centralized currency with less government oversight. So the whole thing was a zero-sum game. People only got rich because they made others poor.
I'm not sure you understand how international sanctions work, particularly the scheme imposed on Russia.
For example, read up on Russia's rupee surplus
https://www.reuters.com/markets/currencies/india-russia-susp...