If you put it in the bank, as others suggest, you're opting into financial surveillance as half of KYC/AML is focused around turning the financial services industry into a surveillance for law enforcement.
The real problem is that law enforcement has a fairly good chance of getting a big chunk of money, and your odds of litigating successfully without those funds are low.
That's the fundamental problem. Fix legalized theft by law enforcement. The rest will sort itself out.
