Mark has been running crypto exchanges for the past 9 years. He discovered bitcoin in 2012 and quickly became one of the largest crypto OTC market makers, before realizing the need for an exchange and creating Coinfloor, the first UK bitcoin exchange. In 2018, Mark created CoinFLEX, the first deliverable crypto futures exchange and launched flexUSD, the only stablecoin to pay interest. CoinFLEX facilitates billions a day in repo volumes and its yield products (flexUSD and AMM+) have half a bi...