They have been called a scourge and the Wild Wild West currency for on-line narco traffickers and pedophiles, but the emerging cyber currency known at Bitcoins are proving to be a headache to track and regulate. Now add the category of tax cheating that is fueling government interest.  More on Bitcoins here .

The New York State Department of Financial Regulation has issued subpoenas to several entities in the Bitcoin management and accounting structure to provide records which would show money laundering and illegal activity, as well as who actually manages the currency. Read more in Forbes