I'll just leave this article here. If this is fear mongering I don't know what is. Also, we know what currency is Forbes...
Even though most people don't even know what they are, Bitcoins increased in value from about $570 to over $4,300 -- an astounding 750% -- in just the last year. Because of this huge return, more people are becoming interested in possibly owning some Bitcoins hoping to make a fast fortune. That would be very risky....
