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March 20, 2020


Financial Innovation: Central Bank Digital Currencies


Certain observers assert that private digital currencies
such as Bitcoin, Ethereum, and the Facebook-proposed
Libra could become widely accepted forms of payment.
In response, some analysts suggest central banks should
issue central bank digital currencies (CBDCs) to maintain
government-issued money's central economic role.
Although no major central bank has issued a CBDC to date,
this In Focus describes how foreign central banks and the
Federal Reserve (Fed) are approaching the issue. It also
examines policy issues raised by a CBDC.


Traditional electronic payment systems enable the transfer
of fiat currency (i.e., money backed by government decree)
and are operated by banks and central banks that record
transfers between accounts on private ledgers. Although
these systems generally offer fast, convenient, and safe
payment options, they involve significant costs, physical
infrastructure, and sometimes delays.

In recent years, privately issued digital currencies that is,
money that has no physical form and is not supported by
any government authority have been developed, but have
not become widely adopted for payments. These systems
generally record transfers on public (or distributed),
decentralized ledgers protected by blockchain technology.
Often individuals' accounts are identified with a
pseudonym not directly linked to users' real identities. For
more information, see CRS In Focus IF10824, Financial
Innovation: Cryptocurrencies , by David W. Perkins.

Proponents of private digital currencies assert they could
provide more efficient payments with greater financial
privacy than when payments are made with banks. Skeptics,
however, doubt that these currencies can effectively serve
as money, because they are not legal tender (i.e., no legal
requirements to accept them exist) and their value has been
very volatile, among other reasons. Observers also warn
that these digital currencies could facilitate money
laundering and other crimes; expose consumers to poorly
understood risks and losses; and hinder the ability of central
banks to implement and transmit monetary policy.

Private digital currencies' lack of centralized authority
their main appeal to many of the proponents is often a
cause of their challenges and risks. Some observers suggest
that central banks should issue CBDCs to realize the touted
benefits of digital currencies in a way that would reduce the
obstacles and risks.

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A CBDC would allow holders to store value and make
payments digitally and would be backed by central banks
(as is the case for physical currency), but other features are


unresolved. Design choices include whether the digital
currency would be used for wholesale or retail transactions,
the degree of anonymity granted to users, whether it would
pay interest, and whether the digital currency would be a
digital version of the existing legal tender or a separate
parallel legal tender. It is also unclear whether private
digital currencies' features, such as decentralized ledgers
and blockchain, are needed to make a CBDC succeed.
Instead, a CBDC might be built upon existing systems,
though presumably that would require several years of
significant IT investment. Proposals vary on these design
features, and, as a result, CBDCs could range from
modestly to fundamentally different from the current
financial system, wherein banks store value and make
payments digitally from accounts held at the Fed. Proposals
that vary fundamentally from the current system are those
that allow nonbank firms or individuals to have digital
access to money directly from the Fed and, in some cases,
open digital accounts at the Fed.


Many governments around the world are researching,
testing, preparing to launch, or have launched CBDCs. In
late 2019, a Bank of International Settlements (BIS) survey
found 80% of responding central banks are engaged in
research, experiments, or work related to the development
and use of CBDCs. Around 40% have progressed from
conceptual research to experiments, and another 10% have
developed pilot projects. Some have committed to
introducing a CBDC 20% of central banks (mostly in
emerging markets) indicate they are likely to launch one
within the next six years (Figure 1).
Figure I. Likelihood of Central Banks Issuing a CBDC


NOWN, Likely  \\  Possible


Short
term
1-3 ers


Medium
term
1,-6 years


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Unlikely


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Source: BIS survey.
Note: Likelihood of a general purpose CBDC.
With international variations in central bank legal
structures, economic fundamentals, and CBDC motivations,


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