Book excerpt: This book provides an introduction to the state of the art in financial technology (FinTech) and the current applications of FinTech in digital banking. It is a comprehensive guide to the various technologies, products, processes, and business models integral to the FinTech environment. Covering key definitions and characteristics, models and best practice, as well as presenting relevant case studies related to FinTech and e-Business, this book helps build a theoretical framework for future discussion.