Fintech, the integration of technology into the delivery of financial services, has revolutionized the world of Finance. This book introduces a new framework to study the concepts that underly Fintech while examining the driving forces and underlying logic behind Fintech-based innovation and predicting the future development of Fintech.The first three parts of the book cover the development and basics of Fintech and its relationship with inclusive finance, while later parts constitute a deep dive into several core issues surrounding Fintech. First, the book introduces an economic explanation of blockchain and its application in various scenarios based on the token paradigm. Second, it studies digital currency and discusses its impacts on payment systems, financial inclusion, monetary policy, and financial stability. Third, the authors explore how to build a compliant and effective market for data while protecting data privacy, impinging on the future development of AI application, the digital economy, and Fintech. Fourth, the book examines public policies related to Fintech, including regulatory technology, the regulation of financial activities of Big Tech companies, and how to promote financial inclusion.The title will appeal to scholars, students, and financial practitioners and regulators in a broad range of areas including economics, finance, technology, and public policy, especially Fintech, blockchain, and digital currency.