Boca Raton, Florida (Reuters) – The U.S. derivatives regulator is studying whether it should regulate electronic currencies such as bitcoin, its chief said on Tuesday, as regulators across the globe start taking the emerging technology more seriously. We are looking into that, Mark Wetjen, acting chairman of the Commodity Futures Trading Commission, told journalists after giving a speech at an industry conference. Its been initiated, theres been an internal discussion at the staff level. Bitcoin, the best-known virtual currency, has been promoted by many enthusiasts because of the way it operates outside government control.