Bitcoin and other digital currencies exploded in 2017 only to spend much of 2018 losing a large chunk of those gains. A unit of bitcoin, the most popular cryptocurrency, climbed from under US$900 at the end of 2016 to a high of almost $20,000 in December 2017 and has since plunged to a little over $6,000.
The intense volatility and potential for hefty profits are catching the gaze of both hackers and regulators, either of which could jeopardize