Dorsey admitted that his new messaging app had not been reviewed or tested for security issues prior to its launch.

Twitter co-founder Jack Dorsey is launching a new messaging app that he claims needs no internet or phone numbers. It’s an apparent play on the entrepreneur’s fondness for decentralized technology .

The Twitter co-founder has launched Bitchat, a new messaging app that works offline via Bluetooth, ensuring user anonymity and privacy with end-to-end encryption. Currently in beta testing, it allows peer-to-peer messaging.