Cryptocurrencies are like ponzi schemes: World Bank

[ahlam1399]

http://static-global-s-msn-com.akamaized.net/img-resizer/tenant/amp/entityid/BBFWYdJ.img?h=100&w=100&m=6&q=60&o=f&l=f&x=259&y=204The head of the World Bank compared cryptocurrencies to â??Ponzi schemes,â?* the latest financial voice to raise questions about the legitimacy of digital currencies such as Bitcoin.

أكثر... (http://www.msn.com/en-in/money/topstories/cryptocurrencies-are-like-ponzi-schemes-world-bank-chief-says/ar-BBIQCs1?li=AAgfW3S&srcref=rss)