In the transformative tome "Electronic Payment Systems for E-commerce," Donal O'Mahony takes readers on a riveting journey through the evolution of digital transactions, from their nascent stages in the 1970s to the sophisticated systems that underpin today's global e-commerce. As the digital age dawned and the Internet burgeoned, it catalyzed unprecedented advancements in how we conduct transactions, fundamentally altering the commerce landscape. O'Mahony, with meticulous research and captivating insights, charts this progression, shedding light on the technological innovations and societal shifts that have made electronic payments the backbone of modern trade. This book is not merely a historical account; it is a forward-looking analysis that delves into the mechanics, security challenges, and future prospects of electronic payment systems. Through detailed exploration of cryptographic protocols, security measures, and case studies of successful e-commerce platforms, O'Mahony equips readers with a thorough understanding of the digital payment ecosystem. Whether you are a technology enthusiast, an e-commerce professional, or simply curious about the digital revolution, "Electronic Payment Systems for E-commerce" offers a comprehensive and engaging guide to the mechanisms that facilitate our online transactions and the implications they hold for the future of commerce.