 US Attorney Damian Williams commented: As a founder and leader of OneCoin, Karl Sebastian Greenwood operated one of the largest international fraud schemes ever perpetrated. Greenwood and his co-conspirators, including fugitive Ruja Ignatova, conned unsuspecting victims out of billions of dollars, claiming that OneCoin would be the Bitcoin killer. In fact, OneCoins were entirely worthless. ... The post Crypto pyramid scheme OneCoins co-founder Karl Greenwood pleads guilty appeared first on... 