On August 1, 2015, Mark Karpel鋊 exits his luxurious home in Tokyo under police escort. Hiding his face under a cap, he wears a carefully chosen t-shirt; its slogan reads “Effortless French? Hours later, Mark is indicted and imprisoned for forgery of computer data and embezzlement in connection with the disappearance in February 2014 of 850,000 Bitcoins, the equivalent of half a million dollars. Mark ran MTGox, the company responsible for this financial disaster and the biggest platform for virtual currency exchange, managing 80% of global Bitcoin transactions. He remained in pre-trial detention for the next year until the Japanese decided to release him for lack of evidence. Mark is finally free to prove his innocence, and this is his story.
