Former PayPal CEO Bill Harris Reveals Why He Thinks Bitcoin Is The Biggest Scam In History | CNBC August 22, 2018 CryptoVideosNo Comment on Former PayPal CEO Bill Harris Reveals Why He Thinks Bitcoin Is The Biggest Scam In History | CNBC Bill Harris, former PayPal CEO, discusses his op-ed on why he thinks bitcoin is a scam. » Subscribe to CNBC: http://cnb.cx/SubscribeCNBC About CNBC: From … source