Radius

Radius is for small paid jobs near you. You post a job with an amount on it. Phones around you pick it up over Bluetooth and pass it along to phones further out. Someone nearby claims it, does it, and gets paid. There is no server and no account. Nothing is uploaded anywhere, which means it works with no internet at all, and the people who see your job are the people close enough to actually do it. HOW IT WORKS Every phone makes its own identity on first launch, held in the Keychain or Keystore. People know each other by a short label derived from it. There is nothing to sign up for. A bounty is one signed record. It floods over Bluetooth LE, gets relayed by the phones in between, and is republished on a slow cadence so the board converges. Anyone can forward it. Only the key that signed the first record for that id can revise it. Claims are private. They travel inside an encrypted Noise session between the claimant and the poster. When there is internet, public Nostr relays carry the same encrypted frames as a fallback, so two phones that met over the radio can still reach each other later. Bluetooth is always tried first. WITNESSED COMPLETION When a claimant marks a job done, the phones physically in radio range co-sign that they heard it. A witness signature is only ever produced for something heard over the radio, never for something that arrived through a relay. Relay traffic can come from anywhere on earth. Radio traffic cannot. So a finished job carries signatures from devices that were actually there. PRIVACY No analytics, no crash reporting, no advertising identifiers, no tracking. There is no backend to send anything to. The Bluetooth permission is declared neverForLocation, because the radio is used to find other phones running Radius and for nothing else.

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