Jack Dorsey Unveils “Bitchat,” a Radical Messaging App Without Internet or Accounts
Jack Dorsey, co-founder of Twitter and now CEO of Block, has quietly launched a bold new project: Bitchat, a messaging app designed to function without the internet, SIM cards, or even user accounts.
This experimental platform is built on a decentralized, serverless architecture and enables users to send encrypted messages directly via Bluetooth mesh networks. Messages travel peer-to-peer, eliminating reliance on cloud servers, mobile networks, or any central authority.
Among its standout features:
- End-to-end encryption ensuring privacy
- No requirement for phone numbers or logins
- No metadata collection or centralized tracking
- Communication via Bluetooth Low Energy mesh with a range of up to 300 meters
- A new open-source protocol, dubbed “Vibe,” powers the system
Development reportedly leveraged Goose, Block’s open-source AI coding assistant, highlighting Dorsey’s ongoing interest in open-source innovation.
The motivation behind Bitchat is clear: In an age where communications rely heavily on centralized infrastructure vulnerable to censorship, surveillance, and outages, Bitchat aims to offer a resilient and private alternative. Dorsey described the vision as enabling “private, resilient communication that doesn’t depend on centralized infrastructure.”
The app is currently in closed beta via Apple’s TestFlight program, already maxing out its 10,000 tester limit. While its promise is intriguing, Bitchat has not yet undergone formal security audits, so experts advise caution for early adopters.
Though still in its infancy, Bitchat hints at a future where off-grid communication could be both practical and private, especially in contexts like censorship zones or disaster scenarios.
With Dorsey’s track record of disruptive ideas, Bitchat is likely to attract significant attention as it evolves—and could help define a new category of peer-to-peer communication technology.



