It broadcasts notes to other available relays.
What does connecting to the nostr:npub1mutnyacc9uc4t5mmxvpprwsauj5p2qxq95v4a9j0jxl8wnkfvuyque23vg nostr relay do exactly?
Discussion
But if simply connected to Mutiny relay, I would only see what was sent to it right?
I'm not sure because I haven't tested it. nostr:npub1t0nyg64g5vwprva52wlcmt7fkdr07v5dr7s35raq9g0xgc0k4xcsedjgqv