As central banks across the globe race to define the future of money, China and Nigeria stand out as early pioneers in the development and deployment of CBDCsCentral Bank Digital Currencies (CBDC). Though vastly different in terms of economic scale, political systems, and digital infrastructureInfrastructure, both countries have embraced CBDCsCentral Bank Digital Currencies (CBDC) as tools to modernize monetary systems, enhance Financial inclusionFinancial inclusion, and assert greater control over their respective financial ecosystems. This chapter offers a comparative exploration of China's e-CNY and Nigeria's eNaira, highlighting how each nation has approached design, implementation, and adoption based on its unique institutional and socioeconomic context. By examining the goals, infrastructure, challenges, and broader implications of these initiatives, we gain insight into how CBDCsCentral Bank Digital Currencies (CBDC) are shaping the next phase of global digital finance.