Funny money? Think again. There are lots of places -- and ways -- you can spend bitcoins. Here's are a few.
Law enforcement officials told a Senate panel they are worried about Bitcoin being used for crime. But fans of the currency don't want too much regulation.
The founder of the online black market Silk Road and the creator of virtual currency Bitcoin might be close colleagues.
China is quietly positioning itself to dominate the brave new world of Bitcoin.
Bitcoin has an inherent flaw that could allow a powerful few to wrest control of the now-decentralized currency. All it would take is a group of cheaters.