I suppose this is the only private way.
Discussion
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.
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/threshold-key-derivation-privacy-on-the-ic/16560
