Storing it encrypted, in a way that you need multiple keys for decryption, and where the key holders are in different jurisdictions that are unfriendly to each

Storing it encrypted, in a way that you need multiple keys for decryption, and where the key holders are in different jurisdictions that are unfriendly to each other? It's easier to convince an American court to require something than it is to convince both American, Russian and Chinese courts.