A bow and an apology: Mark Karpeles, CEO of Mt. Gox, was contrite at the start of a news conference in Tokyo on Friday in which it was announced that the firm has filed for bankruptcy. Kyodo/Reuters/Landov hide caption
Kolin Burges, a self-styled cryptocurrency trader and former software engineer, was among a small number of protesters outside the Tokyo offices of bitcoin exchange Mt. Gox on Tuesday. Toru Hanai /Reuters/Landov hide caption