Book Brief
Title: The Unified Payment Model: A Systems-Engineering Framework for Interoperable National Digital Payment Infrastructure
Author: Mokhdum Azam Mashrafi
ISBN: 978-93-92585-31-9
Language: English
Publication Year: 2026
Publisher: EduPub
The Unified Payment Model presents a comprehensive systems-engineering framework for building an interoperable, secure, and scalable national digital payment infrastructure capable of transforming the future of financial transactions. The book explores how fragmented banking systems, mobile payment platforms, digital wallets, fintech applications, and government financial services can be integrated into a unified ecosystem through low-cost interoperability protocols and intelligent digital architecture. The work emphasizes the growing need for a seamless national payment environment that enables real-time transactions, financial inclusion, operational efficiency, and transparent economic governance.
The book introduces advanced concepts in payment systems engineering, including interoperability frameworks, transaction-routing algorithms, API-based financial integration, centralized and distributed settlement mechanisms, cybersecurity architecture, fraud prevention systems, and digital identity verification. Using mathematical modeling and systems analysis, the author proposes practical approaches for optimizing payment flows, reducing transaction costs, enhancing system resilience, and improving accessibility for both urban and rural populations. The framework combines technological innovation with institutional coordination, presenting a model that supports the integration of commercial banks, central banks, fintech companies, merchants, and public-service platforms into a single interoperable payment ecosystem.
A major contribution of the book is its focus on inclusive digital transformation and policy-oriented financial infrastructure development. It discusses the role of unified payment systems in promoting cashless economies, supporting e-governance, facilitating government benefit transfers, strengthening small businesses, and accelerating national economic growth. The author also highlights regulatory, governance, and cybersecurity challenges associated with digital financial ecosystems and proposes strategic policy measures to ensure sustainability, trust, and scalability. Intended for researchers, policymakers, economists, banking professionals, fintech innovators, systems engineers, and students, this book serves as both a conceptual guide and a practical roadmap for developing next-generation national digital payment infrastructures in the era of digital finance.
