Cryptocurrency is a variety of digital currency, taking into account the internal settlement units of which is provided by a decentralized payment system (there is no internal or external administrator or any of its analogue) [1] [2], which works in a fully automatic mode. The cryptocurrency itself does not have any special material or electronic form-it is just a number denoting the amount of data of calculated units, which is recorded in the corresponding position of the information package of the data transfer protocol and is often not even subjected to encryption, as well as all other information about the transactions between the transactions between System addresses.