What is Nostr?
ev / Ev
npub13vn…eddx
2023-03-14 17:26:24
in reply to nevent1q…d93k

ev on Nostr: The answer is to use encryption and assume that the data will be decrypted by the ...

The answer is to use encryption and assume that the data will be decrypted by the people in possession of the keys and once that happens the data cannot be taken away.

If you're trying to give someone a file, and then revoke access later, then you need to have a centralized system with a login. Even then you cannot stop them from copying the file via other means.
Author Public Key
npub13vnc4krt76jp3kafgtlsf75w6derqw43khjzs6mctaa9ehq8kfmsgxeddx