fiatjaf on Nostr: To publish there you must include the "-" tag (NIP-70), which means others can't take ...

To publish there you must include the "-" tag (NIP-70), which means others can't take your post and automatically republish it elsewhere because other relays won't accept the post unless it is published by your own hands (with AUTH).

The "-" is supported in most relays, but obviously any relay can decide to not support it and spread content against the will of the publisher, so do not use it for anything really private unless you trust all the people you follow to not rebroadcast your stuff.