The feasible paths for integrating cryptocurrency reserves into the monetary systems of various countries may include: Firstly, countries can gradually recognize the legal status of cryptocurrencies and formulate clear regulatory frameworks. Secondly, central banks could set up special funds to gradually hold some mainstream cryptocurrencies. Thirdly, promote the application of cryptocurrencies in cross-border trade and payments to increase their acceptance. Finally, enhance international cooperation and coordination to jointly explore the integration of cryptocurrencies into the global monetary system.