
South Korea's CBDC pilot adds deposit tokens at seven banks, replacing government subsidies with digital vouchers that settle instantly on existing bank rails.
The Bank of Korea pushed its central bank digital currency into a second testing phase on Tuesday, integrating deposit tokens directly into the systems of seven commercial banks.
The pilot will let participants use the tokens for everyday transactions and settlements. A separate track will replace some government subsidy payments with digital vouchers issued through the same infrastructure.
Korea's approach differs from the retail-facing trials run in China and Nigeria. By embedding the token layer inside existing bank rails rather than creating a standalone wallet, the central bank minimizes the need for new user interfaces or merchant hardware. The deposit token is functionally a programmable liability of the issuing bank, backed by reserves at the central bank.
Woori, Shinhan, KB Kookmin and four other lenders are in the test group. The tokens will move between bank-issued wallets using a shared ledger maintained by the central bank. Settlement is near-instant, the Bank of Korea said.
Phase one, completed in late 2023, tested wholesale interbank settlements using the same token architecture. The current phase adds the retail and government-payments layer and runs through the end of this year.
Among the technical questions the pilot is designed to answer: how the deposit tokens interact with overnight settlement windows, how liquidity moves between tokenized and conventional reserves, and whether the system can handle peak retail load during a subsidy distribution day.
The government voucher replacement is the most operationally complex use case. Subsidy recipients typically spend the funds at small merchants that lack the point-of-sale infrastructure for digital payments. The deposit token setup lets the merchant accept the voucher through a bank-issued QR code that settles into the merchant's existing account, no hardware upgrade required.
A Bank of Korea official said the design targets
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