Facebook VP Israel Nir Oren explains why digital currencies are the future and how the social network is involved: "It has become a decentralized tool that is not controlled by governments and that is difficult to forge. The public is taking part in the issue instead of Goldman Sachs - that's the idea, and the phenomenon is not one-time "
I brought only the main headline that says everything:
http://www.themarker.com/markets/1.4281984