You got to love this comment from a Mr Spengler.
SpenglerAZ
The problems with virtual currencies:
1) Not convertible to real currency
2) Government authorities can shut them down,
rendering them worthless
3) Possibility for counterfeiting/fraud
The first movers and insiders profit, and the followers are vulnerable.
Kind of reminds you of a chain letter, doesn't it?
Bravo!
Classic. It's tough to write up a list that's 100% wrong, but Spengler pulls it off.
Here are some more problems for his list:
4) Probably gives you cancer
5) Highly unstable; might explode at any time
6) Is made of pure evil