MtGox CEO goes on trial in Japan over missing Bitcoins The former CEO of collapsed Bitcoin exchange MtGox goes on trial in Tokyo over the disappearance of hundreds of millions of dollars worth of the virtual currency from its digital vaults. Frenchman Mark Karpeles -- once the high-flying head of the world's busiest Bitcoin trading platform, who reportedly lived in an $11,000-a-month penthouse -- is facing embezzlement and data manipulation charges. IMAGES AND SOUNDBITES