$PI Pi is the first digital currency that can be mined on a mobile phone, achieved through groundbreaking technology that allows mining on mobile devices without draining the battery. Pi Network is dedicated to making cryptocurrency mining simple and accessible, providing a decentralized, secure, tamper-proof, and interoperable digital currency. The project adopts a mobile-first design that is user- and planet-friendly, requiring no large-scale electricity consumption. Users can start mining through a free mobile app and can join the network simply by obtaining an invitation from an existing trusted member.