Bitcoin is big money. When Mt. Gox went down, hundreds of millions in bitcoin disappeared. Now, the trouble exchange just happens to have stumbled into 200,000 'coin it thought was lost, or roughly $116 million (£70 million).
According to a document from Mt. Gox Chief Executive Officer Mark Karpeles, and cited by the BBC, the exchange came across the crazy cache (199,999.99 bitcoins to be exact) in an old bitcoin wallet, thought to be empty and out of use. Clearly it was not empty.
This helps mitigate the Mt. Gox disaster a little bit, bringing the number of missing coins down from around 850,000 to around 650,000. That's still a lot of missing cash, but happening upon a cool £70 million doesn't happen every day. [BBC]