Li-Fan Chen says to YSITDPi is a new digital currency being developed by a group of Stanford PhDs. For a limited time, you can join the beta to earn Pi and help grow the network. To join Pi, follow this link https://minepi.com/koru1130 and use my username (koru1130) as your invitation code.at Tue, Dec 17, 2019 11:24 PM