Can you describe your usecase? There are many ways to implement this. I just want to do it in a way that actually solves your problem.
Discussion
E.g., a person posts a #Cashu token in a note but doesn't want anyone else to see it unless they have the password for that note
... or are there other ways to protect against the discoverability of Cashu tokens?
nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg
nostr:npub1mhcr4j594hsrnen594d7700n2t03n8gdx83zhxzculk6sh9nhwlq7uc226