The COVID-19 pandemic and the global response to it has led to a major upheaval of the international banking sector. This book has an international reach and constitutes a blend between theory and international, EU, comparative and national law and practice, with the primary purpose to review the impact of the COVID-19 pandemic on the architecture and content of international monetary and banking law.Part I is focused on this aspect, considering the response of international financial fora and some major central banks all over the globe to the crisis. A secondary purpose is considered in Parts II and III, offering a thorough overview, analysis, and discussion of two main issues which currently are of a significant importance for, and have heavy impact on, the law governing monetary policy and relations, banking regulation and payment systems law: (i) digitalisation of money and finance and (ii) sustainable finance.Other selected legal aspects relating to central banking, as well as to