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Jack Dorsey Unveils Bitchat: Offline, Encrypted Messaging Inspired by Bitcoin
Much like Bitcoin eliminates reliance on centralized intermediaries in finance, Bitchat would removes central authorities from digital communication.
Updated Jul 8, 2025, 4:58 p.m. Published Jul 8, 2025, 3:10 p.m.
What to know:
- Jack Dorsey has published a whitepaper for Bitchat, a decentralized messaging protocol that enables fully encrypted communication - without the internet.
- Bitchat would operate over Bluetooth Low Energy (BLE), allowing nearby devices to form a mesh network that relays messages hop-by-hop.
- Much like Bitcoin eliminates reliance on centralized intermediaries in finance, Bitchat would remove central authorities from digital communication.
Jack Dorsey, founder of Twitter (now X) and fintech company Block (SQ), has published a whitepaper for Bitchat, a decentralized messaging protocol that enables fully encrypted communication - without the internet.
Bitchat would operate over Bluetooth Low Energy (BLE), allowing nearby devices to form a mesh network that relays messages hop-by-hop, according to the whitepaper published on Sunday.
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When a message is sent, it would travel across nearby devices acting as temporary nodes until it reaches its recipient, making it resilient in offline or censored environments.
Messages are end-to-end encrypted using Curve25519 and AES-GCM, ensuring that only the intended recipient can read them. The protocol does not collect metadata, user identities are obfuscated and messages vanish by default after delivery unless explicitly saved by the user.
While not making explicit references to Bitcoin, cryptocurrency or blockchain, Dorsey describes Bitchat as a "decentralized, peer-to-peer messaging application," evoking connections to the Bitcoin whitepaper's intro in which it is described as a "peer-to-peer version of electronic cash."
Much like Bitcoin eliminates reliance on centralized intermediaries in finance, Bitchat could remove central authorities from digital communication.
Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information, see CoinDesk's full AI Policy.
AI Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information, see CoinDesk's full AI Policy.
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