The appearance of cryptocurrency in the world financial market made a real sensation. And although some skeptics predict a quick fail of this system, the leading financiers of the world deny this point of view, forecasting a gradual transition of settlement transactions over the Internet into the electronic money. Bitcoin has been the most stable and popular cryptocurrency, shows astonishing course growth, making many people look for opportunities to earn money on trading transactions associated with the purchase and sale of digital money. Other types of cryptocurrencies such as LiteCoin, Ether, and BCH, although they cannot compete with the price of Bitcoin, they are still characterized by sufficiently strong volatility, which allows profiting from trading transactions to experienced traders.