Permissionless Tech (Jack Dorsey) · AI Infrastructure

bitchat

Account-free, server-free messenger that runs on a Bluetooth LE mesh with up to 7-hop relaying and falls back to Nostr NIP-17 gift-wrapped messages across 290+ relays when no peer is in range. Noise Protocol encryption, geohash location channels, triple-tap wipe. Unlicense, 28.8k stars; announced July 2025 by Jack Dorsey, not a new launch.