The MtGox Bitcoin exchange, which last week sought bankruptcy protection in Japan, opened a helpline for anxious customers on Monday after unveiling a massive loss in a possible theft.
Bitcoin users in Tokyo will gather on Thursday for a meeting set to be dominated by the shuttering of the MtGox exchange amid claims of a multi-million dollar theft.
Early Bitcoin investors Cameron and Tyler Winklevoss have created their own index of the virtual currency, as they gear up to launch the first publicly traded US Bitcoin fund.
US authorities Monday filed criminal charges against two operators of a Bitcoin exchange, including the head of a company with high-profile investment backers.