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

One security expert, Alex Radocea, tested Bitchat and discovered that someone could pretend to be someone else on the app. This is because Bitchat's system for verifying identity,

Yesterday, Jack Dorsey shared the website for a new decentralized messaging app called White Noise. This app differs from Bitchat, which he released for beta testing a few days earlier. White Noise is built on Nostr—short for “Notes and Other Stuff Transmitted by Relays”—and uses the MLS (Messaging Layer Security) protocol.