韩国央行数字货币

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Cos-CBDC: Design and Implementation of CBDC on Cosmos Blockchain:
https://www.ieice.org/publications/proceedings/bin/pdf_link.php?fname=p303-han.pdf&iconf=APNOMS&year=2021&vol=67&number=TS8-4&lang=E

  • Cos-CBDC, a CBDC system based on Cosmos blockchain. The transaction capacity of Cos-CBDC can be up to 15,000 TPS depending on the block size and the number of validators in the BFT-based consensus algorithm.
  • R3 Corda and Hyperledger Fabric as the blockchain platforms for CBDC, these platforms are not suitable for implementing cross border payments. COSMOS IBC allow different types of blockchains to trade tokens and data with each other.
  • cos-CBDC propose multi signature (Multisig) and Multi-party computation (MPC). E.g. Central Bank, Commercial Bank, Customer, these 3 parties generate a Group Key with MPC. This Group Key.

The Bank of Korea’s CBDC research:
https://www.bis.org/publ/bppdf/bispap123_m.pdf

  • there is no immediate need to issue CBDC in Korea. Therefore, the BOK is actively engaging in research and preparations so that if a decision is made in the future regarding the introduction of CBDC, it can be issued without any delay.
  • Key considerations in the BOK’s CBDC research
    • The decline in the use of cash.
    • Big tech’s market dominance and concentration of personal information.
    • The proliferation of global stablecoins.