Where do you think those donations come from? North Korea, China, Syria or Iran? 
Those donations in Bitcoins to Ukraine are possible because the west is sending bitcoins.

What more do you want from the US? Biggest mining farms, most bitcoin nodes, most LN channels, most BATM, biggest investors, companies, and funds owning bitcoin in the world, ask other countries to do at least a third of it.

“We believe Washington is worried that Russia will use crypto to evade sanctions,” Cowen analyst Jaret Seiberg said Friday. “If Russia is able to use crypto this way, then we believe political support in the U.S. for crypto will fall and regulatory risk will rise.”