Now, the global financial market is more than 14 million Bitcoin's in circulation, which are increasingly affecting many economic processes. The Blockchain technology is ideal for ensuring the security of various transactions related to the trading of securities and other financial assets. Different cryptocurrencies have the potential to displace the traditional payment system as they provide faster payment processing and do not require the provision of personal information. The significant factor in favor of cryptocurrencies is the reduction in the cost of such services. For example, the cost of sending $500 by Bank transfer is on average $50 (10% of the transaction amount)