Hackers steal $53M worth of cryptocurrency from CoinEx
bleepingcomputer.com
bleepingcomputer.com
One of the things that's been done, in the example of sanctions, has been the banning of identified wallets by exchanges, and I assume any wallet that receives funds from them is similarly banned. If this were applied to thieves, they may be unable to use their ill-gotten gains, but it wouldn't make the victim whole.