CNN Money's Zain Asher explains how Bitcoin works and if it's the currency of our future.
원문출처 : http://www.cnn.com/videos/business/2014/04/01/orig-what-is-digital-currency-bitcoin-zain-asher.cnn
원문출처 : http://www.cnn.com/videos/business/2014/04/01/orig-what-is-digital-currency-bitcoin-zain-asher.cnn