As the value of Bitcoin has surged over the past 12 months, one question has overshadowed the rise in the value of the crypto currency: is this a bubble?
While it's usually only possible to answer this question when it's too late (one of the critical characteristics of bubbles is that they burst) this hasn't stopped financial commentators speculating on the outlook for Bitcoin.
One of the worries that have emerged out of this speculation is the impact the bursting of the Bitcoin bubble could have on the rest of the global economy. If Bitcoin turns...
