Ukrainian Vice Prime Minister Mykhailo Fedorov would like to freeze all of Russia completely
Russia can use mining. I think it's a matter of time. Russia may use crypto exchanges that do not comply with sanctions or do not have control systems. This is one of the well-known options for circumventing sanctions.
since beginning Rusia want use cryptocurrency as alternative payment from any trades if sanction from any countries come. Mr president also know how big crypto potency for their income by taxes and other regulations. even Ukranian get benefit from donation that used cryptocurrency, and from here we know how usefull this currency when all central bank suspend each others.