Imagine being able to send messages when there is no Wi-Fi, no mobile data, no cellular network, and no central messaging server. That is the idea behind Bitchat, a decentralized peer-to-peer messaging application created by Jack Dorsey, the co-founder of Twitter and founder of Block. Unlike WhatsApp, Telegram, Signal, or other conventional messaging platforms, Bitchat is designed to allow nearby smartphones to communicate directly with each other using Bluetooth, while also