I believe nostr:npub1lqpuy5pgpce04rw48sdvp5khfm60j3d5vv8ufugdp97jt59rlhasry9h3r also has telegram if heβd like
but thereβs no danger that I know of, itβs still encrypted you canβt see the text being sent but you can see who itβs being sent to and the frequency of messages. But not the actual sensitive text.