Book excerpt: Advancements in technology have created more opportunities for mobile applications in modern society. In the financial realm, these innovations provide better user experience and digital capabilities. NFC Payment Systems and the New Era of Transaction Processing provides a thorough examination on the impact of NFC payment technology on the convenience, flexibility, and usability of transactions. Including a range of pertinent topics such as network threats, operating modes, and data security, this publication is an ideal reference source for researchers, students, academics, professionals, and practitioners interested in the rise of mobile technology in financial systems.