Crypto fraud: The OneCoin scandal | DW Documentary
From DW Documentary. OneCoin was launched in 2014 and billed as the world’s largest cryptocurrency. Founder Ruja Ignatova earned many millions of Euros before a tech nerd stepped in to stop the scam – putting himself in danger. Bjørn Bjercke is a blockchain expert. Blockchain is a decentralized database that records transactions in a network…