h/t nostr:npub1929tcqjxtdpgl7lvy2qegagr68ktvymrsnk7gwskesfs4vk92j0scnwqke who first told me about rostra

This is quite a rabbit hole

Guy talks about SSB, I only know that as a radio band

Mentions it having a way to ensure all messages are received? That's a big issue with nostr