A poster alerting customers that the digital currency Bitcoin is accepted as payment sits behind the counter inside the Old Shoreditch Station cafe in London, U.K., on Friday, March 7, 2014. Bitcoin attracted media attention last week when Tokyo-based Mt. Gox, once the biggest exchange for the digital currency, filed for bankruptcy protection after coins valued at more than $500 million went missing. Photographer: Chris Ratcliffe/Bloomberg via Getty Images
Getty Images

Bloomberg Bloomberg