This course covers a wide range of knowledge about financial technology. The main topics include: the ecology and development of Internet finance, the theoretical basis and application of data currency and blockchain technology, online payment, big data, financial network security and financial information encryption systems. This course not only provides students with a complete theoretical foundation of financial technology, but also focuses on guiding them to explore innovations from real-life cases, and to gain insight into the tremendous changes that financial technology has brought to the financial industry and innovation, so as to put forward specific personal understanding of the future development trend of financial technology and financial industry.