However, that still doesn't mean that sanctions work, it just doesn't work for either, not for Europe, not for Russia, both are still dealing with each other. When you combine all the ways sanctions are broken there isn't really all that much that still stays unused, it is trading and all nations are dealing with each other aside from maybe a few products.
Of course. They can use some sort of "proxy" that would deliver the weapons for them. Or they can just produce chips and weapons in-house to avoid sanctions. We all know the West's efforts to cripple Russia's war machine aren't working. They've only managed to slow down Russia. Not stop it.
I think the main reason why the West (particularly, the US) have been aggressive towards crypto is because they believe Russia (and other sanctioned countries) are using it to circumvent sanctions. They will increase regulations, making it difficult for Russia to buy/sell crypto. That won't stop DEXs or P2P trading platforms, though. But at least, it's a workaround. Hopefully, Russia gets back on the World Stage by cooperating with the West. Everybody wants peace, right?
China is also a country that is not friendly to cryptocurrencies, but they are a strategic partner and ally of Russia. So I don't think Russia is using crypto to avoid sanctions and Western countries are being aggressive with crypto because of Russia.
Basically, so far the US and its allies have launched the 14th sanctions package on the Russian economy and will not stop. But that shows they have failed to punish Russia 13 times before. Politics is something very big, complex and dark, it goes beyond what we see and what we think. So I guess Russia has hundreds of ways to survive without cryptocurrency like we think.