CZ: It is a bad idea for two people to have access to the same private key. Theft cannot be reasonably proved.


On December 23rd, Binance co-founder Zhao Changpeng tweeted that "recently, I've seen some people accepting cryptocurrency by receiving private keys or hardware wallets. This is a bad idea because the giver still has access to these cryptocurrencies. The cryptocurrencies should be transferred to an address that the receiver owns, or better yet, just have the giver send it to the receiver's address. Sharing the same private key (or mnemonic phrase) between two people is a bad idea. When these cryptocurrencies are moved (or stolen by hackers), it's almost impossible to prove who moved it (or who was hacked)."