Crizzo is right, even if they have your nsec they still wouldn't have access to your wallet. In fact, you could post a message signed by your wallet and others could verify it against zaps they have received from you, proving that your account was compromised and directing followers to a new account. That would require a little technical knowhow (a little) today, but maybe that would be a good feature, maybe a good candidate for a nip nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z
Discussion
Perhaps if you can reject an invoice and send back a message explaining why it wasn't paid