Mark Karpeles

(Newser) - The head of the failed Japan-based bitcoin exchange Mt. Gox was arrested in Tokyo today on suspicion of inflating his cash account by $1 million. Mark Karpeles, 30, is suspected of accessing the exchange's computer system in February 2013 and swelling his account, Japanese police said. Mt. Gox went...

(Newser) - Mt. Gox has given up its bid to rebuild itself, and appears headed for liquidation after a Tokyo court rejected its rebuilding plan. The court appointed provisional administrator Nobuaki Kobayashi to take control of the company's assets from CEO Mark Karpeles, Reuters reports. Karpeles is likely to be investigated...

(Newser) - Hackers say the now-bankrupt Bitcoin exchange Mt. Gox has been less than honest about money lost in a major security lapse . Yesterday, they hacked into CEO Mark Karpeles' blog and Reddit account, announcing that the company had kept currency it claimed was stolen, Forbes reports. They said they'd hacked...

(Newser) - Mt. Gox is filing for bankruptcy protection, CEO Mark Karpeles announced at a press conference today, saying the bank may have lost 750,000 of its customers' bitcoins ("essentially all of them," reports the New York Times ), along more than 100,000 of its own. At current...