Living up to the rap that it's caused a speculative bubble, encrypted digital currency Bitcoin peaked at $266 early last month before crashing to $105. Such price swings don't captivate David Birch, a founding director of U.K.-based information technology consulting firm Consult Hyperion, whose specialty is secure electronic transactions. Birch is more interested in what the $1 billion-plus market for Bitcoins, which were trading at about $120 in mid-April, says about technology's transformation of currency.
展开▼
