$BTC-X Wish you would have got bitcoin at its start? Pi is a new digital currency developed by Stanford PhDs and working with Google, with over 3.5 million members worldwide. It’s an app that you can download on the App Store and you mine PI on your phone. Once the user base hits 10mil users, mining will be halved so get in early! You need an invite so use trixta16 as your invite code! Let’s make some money today!