Does a "zap provider" need to know a nostr user's nsec private key?
@npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s
Does a "zap provider" need to know a nostr user's nsec private key?
@npub1xtscya34g58tk0z605fvr788k263gsu6cy9x0mhnm87echrgufzsevkk5s
No.
The zapper (zap provider) signs the events kind9735 with its own privkey, not the user's.