I'm so happy you mentioned this. Mission accomplished.

I believe that there's a NIP that enables this to be addressed by configuring a second Nostr key that THIS key becomes/inherits so that you can actively 'kill' the current one .. sry haven't got the details but discussed with nostr:npub1wezprxcca3tttvnhncxsxhnhz25av6wml0jm9305tr94vjhmdj2s2e62hu .. ...

Key control is something that has many solutions but none agreed on yet... One approach would be for an individual software to manage all your keys... Offering a Revoke function. Maybe bitcoin wallets could offer this add-on. They are key management software at heart, afterall.