- Central bank digital currencies (CBDCs) open a new chapter for money grounded on trust in the central bank. As a technologically advanced representation of money, a CBDC can further the public interest.
- CBDCs function best as part of a two-tier system, with the bulk of the customer-facing activities taken on by banks and other payment service providers.
- The most promising design for general use is a CBDC built on a digital identity scheme, safeguarding data privacy while offering protection against illicit activity and potentially streamlining cross-border payments.
Central bank digital currencies are moving from concept to practical design and renew the institution of money in a new form designed for the digital age, writes the Bank for International Settlements in its Annual Economic Report 2021.
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The Report lays out the design choices for CBDCs, which, alongside cash, would be issued and backed by a central bank. It offers an economic analysis of their implications for consumers, financial institutions and the central bank itself.
CBDCs would build on the central bank's traditional roles in the payment system, to ensure that payments are final and certain; that there is enough liquidity for the payment system to function; and that the playing field is level, by making central bank money available on an equal basis to all parties.
Hyun Song Shin, Economic Adviser and Head of Research of the BIS: "CBDCs are a concept whose time has come. They open a new chapter for the monetary system by providing a technologically advanced representation of central bank money. In doing so, they preserve the core features of money that only the central bank can provide, anchored in the foundation of trust in the central bank."
BIS analysis finds that CBDCs would best function as part of a two-tier system where the central bank and the private sector work together to do what each does well. The central bank would operate the core of the system and ensure its safety and efficiency, while the private sector, such as banks and payment service providers, would use its innovative capacity to serve customers.
From a practical perspective, the BIS says the most promising CBDC design would be one tied to a digital identity, requiring users to identify themselves to access funds. A careful design would balance protecting users against the abuse of personal data with protecting the payment system against money laundering and financial crime.
Benoît Cœuré, Head of the BIS Innovation Hub: CBDCs could form the backbone of a new digital payment system by enabling broad access and providing strong data governance and privacy standards. They are the best way to promote the public interest case for digital money.
In addition, the BIS says international cooperation on design will be vital if central banks are to harness the full benefits of CBDCs, and to improve cross-border payments while countering foreign currency substitution.\
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The special chapter also includes analyses on:
- The architecture of CBDCs and how they would fit into the financial ecosystem;
- The international dimension of CBDC issuance and the implications for cross-border payments;
- Project Helvetia, which demonstrated the feasibility of integrating tokenised assets and central bank money;
- Application programming interfaces and how they could act as a bridge between different providers and simplify transactions.
This chapter is released on 23 June, followed by the full BIS Annual Economic Report 2021, and the BIS Annual Report 2020/21, on 29 June.
Source: BIS
