The book "Fintech" is the first detailed guide dedicated to the use of fintech - new breakthrough technologies in the fields of payments, lending, investing, cryptocurrencies, etc. for business. The book describes in detail the history of the development of the sector, provides detailed analysis and advice from experienced practitioners working with advanced technologies. The book's authors have carefully selected dozens of review materials, analytical articles, best practices and success stories written by leading experts on innovation, investment and capitalization, as well as heads of the largest banks and financial platforms in the world. For entrepreneurs and investors, the book will become a source of new knowledge and ideas, and for users of financial services and services it will suggest prospects for investing money and provide new tools for running their own business.