The collapse of the Mt. Gox bitcoin exchange for bitcoin followed the alleged theft of almost £387m in the cryptocurrency. The CEO of a Bitcoin exchange which lost millions of dollars worth of the cryptocurrency has pleaded not guilty to charges relating to the loss. Mark Karpeles, a 32-year-old French national, was answering charges of embezzlement and data manipulation at the Tokyo District Court. In court in Tokyo, the CEO's defence explained that a transfer of just over £2m from an account which managed customers' funds to an external account was not embezzlement, but a legitimate transfer based on the company's revenue. Karpeles is also alleged to have illegitimately increased the value of bitcoin in an account on Mt. Gox under his own name. He told the court in Japanese: "I swear to God that I am innocent." Karpeles founded and operated the bitcoin exchange Mt. Gox between 2010 and 2014, during which time the cryptocurrency exploded in v...