What the bleep is "Bitcoin"

In another post here about malware it sounded like some weird free/open source version of paypal. Here they call it "virtual money," whatever that's supposed to mean.



http://finance.fortune.cnn.com/2013/...source=cnn_bin



Can someone explain this in English?

via JREF Forum http://forums.randi.org/showthread.php?t=268852&goto=newpost