Cross-border transactions is an academic concept and research field investigating the multifaceted exchange of economic, financial, and other forms of value across national jurisdictional boundaries. This field analyzes the processes, regulations, risks, and impacts associated with the movement of goods, services, capital, data, and individuals between distinct sovereign territories, highlighting the complexities arising from differing legal systems, currencies, and regulatory environments. The study of cross-border transactions is significant for understanding international trade, finance, investment, and policy formulation in a globalized economy.