In PoC Phase 1, which started in April 2021, the central bank focused on basic CBDC transactions, such as issuance, payout, and transfer. The PoC Phase 2 started in April 2022, where the bank implemented more complex functions. Moreover, it confirmed that the CBDC system’s processing performance could be maintained.
The next step for the Japanese central bank is to launch the pilot program in April 2023 to test the technical feasibility that wasn’t fully covered by the PoCs and to utilize private businesses’ skills and insights to design a CBDC ecosystem.
The pilot program will revolve around developing an experimental system for an integrated end-to-end process flow. Additionally, it will test measures and potential challenges for connecting the experimental system with external ones.
The BOJ hopes that the pilot program will lead to improved designs through discussion with private businesses. The topics currently on the agenda include alternative data models and architectures for offline payments, the optimal design of the CBDC system in providing value-added services, and challenges and technologies or functions that could become necessary where a touchpoint with users arises.
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