But you would have to choose non-zap at the bottom of the zapfield, otherwise the comment shows up in the public and everybody can read it. https://zaplife.lol/ there a public zap would show up! with the comment. i also had to learn it. my note is not accurate.

There may be more possibilities. Looking forward to exploring together. Thank you very much! https://forum.dfinity.org/t/make-nostr-have-the-functionality-of-smart-contract-and-more-win-win-cooperation-and-more https://forum.dfinity.org/t/threshold-key-derivation-privacy-on-the-ic/16560