Posting nsec is NOT secure exit, as anyone at anytime can use this nsec to delete the same post and proceed to “spoof” your account. (As if you never exited)
Posting a burn notice is WAY better.
nostr:npub1l5sga6xg72phsz5422ykujprejwud075ggrr3z2hwyrfgr7eylqstegx9z
nostr:note12wjhhm5t6wlky4g76f4zh4p06jl3ap3z92hqzfmaaseg86y75r9q5gcdrr