Cryptocurrency is only one part of a virtual database that runs in the virtual world. It is impossible to determine the identity of the person involved. There is also no central authority that regulates cryptocurrency trading. Its value is expected to increase by leaps, bounds. Satoshi's electronic system is decentralized and only miners can make changes to confirm transactions. They are the only human contact providers in the system. Please visit https://www.btcc.com/ for more detail.