<ul data-eligibleForWebStory="false"><li>Jack Dorsey, CEO of Block and co-founder of Twitter, launched an open source chat app named Bitchat, claiming it to be secure and private without a centralized infrastructure.</li><li>Bitchat uses Bluetooth and end-to-end encryption and is decentralized, making it potentially secure in high-risk environments; however, it has not undergone security testing or review.</li><li>Security researchers have raised concerns about Bitchat's security, as the code has not been reviewed for vulnerabilities, and it has been found that attackers can impersonate users and intercept identities.</li><li>Despite claims by Dorsey, security flaws in Bitchat have been reported, including issues with identity authentication, forward secrecy, and a potential buffer overflow bug, prompting warnings not to trust the app's security.</li></ul>

Jack Dorsey says his ‘secure’ new Bitchat app has not been tested for security

Discover more