CNBC explains Bitcoin, a payment system that uses virtual money for online transactions. It's like cash for the internet transferred by a mobile app or computer program. The identities and ... more 
CNBC explains Bitcoin, a payment system that uses virtual money for online transactions. It's like cash for the internet transferred by a mobile app or computer program. The identities and transactions are kept completely anonymous. less 
1 / 19
CNBC Videos
Tue, Nov 19, 2013 11:13 AM EST