It's been a bad year for the Russian ruble and a terrible 12 months for the Ukrainian hryvnia. But it's been a catastrophic 2014 for Bitcoin, the virtual currency. While acknowledging that my currency forecasting prowess means I'm driving a desk rather than tanning on a beach, the gyrations do seem to offer some valuable lessons . The Rise of Bitcoin Bitcoin is second only to gold on the list of topics guaranteed to arouse the wrath of the Internet trolls. Yet relentless promotion can't hide these facts: The digital currency peaked at a value of $1,130 just over a year ago. Its plunge of more than 56 percent in 2014 makes it the world's worst performing currency this year, according to Bloomberg, which tracks 175 foreign-exchange values:

http://www.bloombergview.com/articles/2014-12-23/and-2014s-worst-currency-wasbitcoin