According to the U.S. Commodity Futures Trading Commission, bitcoins are now a commodity. The agency has the power to police any kind of bitcoin exchange. The CFTC has already pursued its first enforcement case against a bitcoin operator, Coinflip, stating that the company and its CFO were not complying with regulations while trading with bitcoins. The definition is broad on purpose, giving the CFTC the ability to add new currencies as warranted and prevent companies playing fast and loose with the rules.”]
Source: https://securityintelligence.com/news/heads-up-bitcoin-one-step-closer-to-legitimate-currency/