Bitcoin, the digital currency that has become the talk of the financial world, saw trading halted Thursday after a spectacular crash Wednesday. The trading freeze comes after Bitcoin's price plunged from an intraday peak price Wednesday of $266 to $105. Just two months ago, Bitcoins were valued at $20, The Guardian reports. Observers had been predicting that the Bitcoin bubble would burst, particularly as word of the alternative currency spread in the mainstream media. (Click here for our explainer.) There are about 11 million Bitcoins in circulation, The Guardian notes. One of the largest trading exchanges, Mt.Gox, ... (full story)