how did u post this note? NO ACCOUNT  BIZ in NOSTR doesnot matter who/what app is down
nostr:npub1vfxsrm6hpgmnptapa0ku8mv464e9ntzlx75lp6kfc2sd9ufzha9qqu0gmq - where did store NSEC for this npub?
u only need that save in local PC / Phone amber or nostr signer NEVER GIVE/TELL anyone can be used ANY APP
https://image.nostr.build/c95469ee5409bbb945776b73849b3cd0daabb3739be425c07c13ee1416fe16fa.png