Wash trading: https://medium.com/@bitfinexed/wash-trading-bitcoin-how-bitfinex-benefits-from-fraudulent-trading-8bd66be73215 https://medium.com/@bitfinexed/wash

Wash trading: https://medium.com/@bitfinexed/wash-trading-bitcoin-how-bitfinex-benefits-from-fraudulent-trading-8bd66be73215 https://medium.com/@bitfinexed/wash-trading-bitcoin-how-bitf... Allegedly unbacked reserve currencies (tether): https://www.coindesk.com/tether-confirms-relationship-auditor-dissolved/ https://www.coindesk.com/tether-confirms-relationship-audito... I'm sure there are more, any scheme/scam that gives someone an edge will be tried in an unregulated market.