Cryptocurrencies That Soared As Bitcoin, Ripple Crumbled

This article originally appeared in the Motley Fool. Last year, the cryptocurrency market was practically unstoppable. After beginning the year with a combined market value of just $17.7 billion, virtual currencies ended 2017 with an aggregate market cap of $613 billion. This better than 3,300% annual gain in valuation, which was mostly from the expanded market…