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This entry explains how China’s e-CNY, the retail form of its Central Bank Digital Currency, translates three design choices into improved access, affordability, and reliability: (1) enabling wallet-to-wallet payments on the CBDC ledger with settlement upon payment (SUP); (2) ensuring seamless integration at checkout with existing QR-code systems and popular payment apps; and (3) providing users with practical control through credentials stored on their devices and managed by licensed operators. With payment finality clarified in law and a two-tier structure in place, offline payments can shift to a hybrid architecture. It blends account- and token-based functionality across online and offline settings, incorporates tiered identity verification, and supports low-cost solutions. In essence, e-CNY demonstrates that strategic decisions regarding settlement, interoperability, and user control can expand financial inclusion while maintaining robust regulatory safeguards.
Li et al. (2025) studied this question.
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