Cross-Home signed messaging. One substrate (Ed25519-signed JSON), multiple transports. Trusted Peers, Broadband Gateway, and Sneakernet (USB carry) are functional; LoRa/Meshtastic is hardware-ready (see the Mesh section); Satellite lights up last.
Choose a send method; the message is signed and routed accordingly. Existing per-transport composers below remain available for reference.
message/v1 envelope with your device sub-key, POSTs it
to the peer's registered gateway URL, received via
/api/comms/gateway/receive on the other end. Carries a plain-text
body (≤1MB), sender pubkey, recipient pubkey, and signature. Attachments use a
separate path.
POST /api/peers.
http://127.0.0.1:58773/api/comms/gateway/receive.
Share this URL with peers who need to reach you.