The Tokyo Metropolitan Police is reportedly pursuing fraud charges against Mt Gox CEO Mark Karpeles.
Customers affected by Mt Gox's insolvency have been given more time to file their online bankruptcy claims.
An online claims process is now live for former Mt Gox customers to formally state their losses, with the possibility of receiving payouts in bitcoin.
Mt Gox operated a fractional reserve system since 2011, and had lost most of its bitcoins by mid-2013, according to a newly-released report.
Tokyo-based security specialist WizSec has released a preliminary analysis of the data that was leaked following Mt.Gox's crash.
Today in court, a witness from the US Department of Homeland Security claimed that Mark Karpeles was once suspected to be Dread Pirate Roberts.
The disappearance of 650,000 BTC from Mt Gox was due to internal system irregularities and not external attacks, reports a Japanese newspaper.
The co-founder of Swedish exchange Safello has left the company to join a team of bitcoin security experts in Tokyo to establish a consulting firm.
Kraken has been selected to oversee the distribution of Mt Gox's remaining assets and investigate its missing bitcoins.
Payment processor OKPay says it had no option but to pay customer deposits to Mt Gox last month.