One could also simply answer that Keychat uses Nostr instead of a centralized server.
Discussion
Simplex is also a relay model, but there should be far fewer Simplex relays compared to Nostr relays.
One could also simply answer that Keychat uses Nostr instead of a centralized server.
Simplex is also a relay model, but there should be far fewer Simplex relays compared to Nostr relays.