Decentralized
messaging for those who value privacy.

P2P encrypted messaging with no central servers. Bluetooth mesh for offline chat, Nostr for global reach.

noise handshake complete. ready.
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0 SERVERS
7 Max hops
RANGE
290+ RELAYS

Two transports

Bluetooth mesh
Offline layer

Direct P2P messaging via BLE. Messages hop through nearby devices, extending range without internet.

  • Up to 7 hops between devices
  • ~30 meter range per hop
  • Automatic peer discovery
  • Noise XX handshake
Nostr protocol
Global layer

Connect to 290+ distributed relays worldwide. Geographic channels via geohash coordinates.

  • 290+ global relays
  • NIP-17 encryption
  • Geographic channels
  • Censorship resistant

Mesh routing

Messages don't need direct connection. They route through other devices automatically using gossip protocol with Bloom filters.

Noise protocol

Protocol
Noise_XX_25519_ChaChaPoly_SHA256
Handshake
XX
Curve
X25519
Cipher
ChaCha20
MAC
Poly1305

No metadata

01

No registration

Your device generates cryptographic keys locally. No email, no phone number.

02

Offline mode

Bluetooth mesh works without internet. Perfect for protests or disasters.

03

Ephemeral identity

Fresh identity per channel. No way to link conversations.

04

Emergency wipe

Triple-tap to destroy all data instantly. No recovery possible.

05

Self-destruct

Set expiration timers. Auto-deletion across all devices.

06

IRC commands

/msg, /join, /who. Familiar interface for power users.

Command line

offgrid
14:32:10$/who
14:32:104 peers: alice, bob, charlie, dave
14:32:15$/msg alice meeting at 3?
14:32:16[encrypted] message sent via 2 hops
14:32:22alice:confirmed
14:32:25$/join #block-dr5rsj7
14:32:25joined local channel (12 users)
14:32:30$

Get Off-Grid

Available on the App Store. iOS 15+

Download on the App Store