Fintech is an abbreviation for financial technology. However, despite the popularity of the term, there is no single definition either in the scientific literature or in the industry. In a broad sense, computer technologies, which began to be used in the last century in the banking and financial industry, can also be referred to as a financial instrument: IT solutions for back offices, ATMs, Internet banking, online trading, etc. An inseparable characteristic of all financial services is the increase in efficiency of separate processes and the financial system as a whole. A distinctive feature of the new generation of financial services is their focus on improving the convenience of end-users, reducing the cost of transactions and alternative methods of monetization. The popularity of financial services is explained primarily by the increase in the share of millennials among the economically active population. The young generation, whose growing up coincided with the era of Internet