Secure group chats on #nostr?
In BR081, nostr:npub1zuuajd7u3sx8xu92yav9jwxpr839cs0kc3q6t56vd5u9q033xmhsk6c2uc and nostr:npub1jlrs53pkdfjnts29kveljul2sm0actt6n8dxrrzqcersttvcuv3qdjynqn discussed a relay model where messages are device-stored, unsigned, and disappear over time, giving users post-compromise security.