The most active users of Bitcoins are drug dealers. Carol Van Cleef, the partner in Patton Boggs, said that the criminals are at the forefront in using the digital currency. “You better get yourself registered, or you better get your name off the list real fast,” added Ms Van Cleef. The virtual currency is created by individuals and companies and used outside the traditional banking system. Such transactions are not traced, besides, all information about its participants is anonymous. The Department of Justice and the Ministry of Finance have brought a criminal case against Liberty Reserve, the currency of which was used for money laundering and narcotics trafficking. Previously, the Bitcoin accounts were frozen under the pretext of the company's violations of the registration rules. The low-abiding users were discontented by that measure. The online payment system's service is mostly popular not in the U.S.A., but in the countries with weak banking systems and unstable national currencies. The number of American users is quite small, about 20,000 people.