Mt Gox was a bitcoin exchange based in Shibuya, Tokyo, Japan that was launched in July 2010. Mt. Gox was the world’s leading bitcoin exchange in 2013 to 2014 handling over 70% of all Bitcoin transactions. In February 2014, Mt. Gox suspended trading, closed its website and exchange service, and filed for bankruptcy protection from creditors after approximately 850,000 BTC were reported missing and stolen. On Aug. 23, 2018, Mt. Gox trustee Nobuaki Kobayashi released an online submission process for creditors to prove their claims.