Reviewing the Year in Cryptocurrency

WSJ What’s News - A podcast by The Wall Street Journal

A.M. Edition for December 28th: It's been a tumultuous year for cryptocurrency. Bitcoin saw an especially precipitous decline, from its peak of nearly $20,000 at the end of 2017 to just under $4,000 at the end of 2018. The Wall Street Journal's Paul Vigna reviews the year in cryptocurrency, and looks ahead to 2019.