Don't dismiss Dimon's predictions of a bitcoin bubble - after all, he should know

The virtual currency's soaring value has set off alarm bells: but its success reflects the continuing lack of trust in traditional banking following the credit crunch When the boss of Wall Street's biggest bank calls a bubble, the world inevitably sits up and listens, albeit with a sense of historically weighted irony: of course an investment bank boss would spot disaster after his industry presided over the last one. Jamie Dimon, the chief executive of JP Morgan, said last week that the ascenda...