This book investigates the fundamental challenge of defining money within modern legal and economic frameworks. Author Simon Gleeson, a recognized expert in financial law, examines how traditional concepts of currency—including physical coins and notes—must be reconciled with the rise of digital credit, virtual currencies, and electronic payment systems. By analyzing specific transaction types and legal obligations, the text provides a rigorous framework for understanding the shifting nature of monetary value in a globalized economy.

Legal scholars and financial practitioners frequently cite this work as a critical resource for navigating the complexities of modern monetary regulation. Experts highlight the text for its clarity in addressing the intersection of traditional legal doctrine and emerging digital financial technologies.