In the article discusses the role of money supply and its regulation by the state in the context of the digital economy. It is emphasized that the expansion of electronic money will affect monetary aggregates and also lead to the need for monetary policy coordination. The regulation of money supply by the state is highlighted as essential for controlling inflation, ensuring financial stability, and integrating digital financial instruments. The classification of money aggregates into MO, M1, M2, and M3 and their role in the economy are also analyzed.