why commercial banks will be key players

Central bank digital currencies (CBDCs) – a digital form of central bank money – are firmly on the radar of central banks around the world. According to
Atlantic Council over 100 countries are actively exploring a CBDC. Many are further along in their journey and some have already started. But why do we need it? And what role will commercial banks play?

Types of CBDCs

First, let’s clarify the different types of CBDCs. Retail CBDCs are national networks aimed at facilitating financial inclusion and digital payments in a country. This is where we see live CBDCs today, such as in Nigeria and the Eastern Caribbean.

Wholesale CBDCs are intended for the settlement of interbank wire transfers and related wholesale transactions. These tend to be lower volume and higher value compared to retail.

And then mCBDC (multiple CBDC) is about cross-border, connecting CBDC networks across jurisdictions for international settlements, using platforms with multiple subnets or that are interoperable. These promise to shake up the inefficiencies of the correspondent banking model, although challenges remain in areas such as governance and standards.

In this article, we will look at retail CBDCs. So why do we even need it?

Why do we need retail CBDCs?

The answer varies depending on where you are in the world. Financial inclusion is often cited as a key driver, and this is particularly relevant for countries with large unbanked populations and those that do not yet have digital payment networks.

In these countries, retail CBDCs can help facilitate payments for these populations and stimulate digital economies. Preserving monetary sovereignty is also a driver by protecting against the rise of alternatives that could fill the void – foreign currency stablecoins or crypto for example.

Central banks might like the idea of ​​CBDCs gradually replacing cash in an effort to reduce the costs of minting, distributing and storing physical cash. Other arguments include the programmable nature of CBDC as a direct monetary policy tool and a building block of mCBDC as it evolves.

Of course, some countries already have effective digital payment solutions. For example, here in Switzerland, we have Twint. I can easily buy a coffee just by scanning a QR code with an app on my phone, linked to my bank account. Merchants appreciate the lower cost compared to credit card networks. It’s easy and efficient. Other countries have similar systems. So in such places, do we really need another system such as a retail CBDC?

This may come down to the future role of public money. As cash usage declines, should the state preserve access to central bank money through a digital equivalent? Does the average person understand (or care about) the difference between having a claim on deposits with a commercial bank and a bearer instrument with a direct claim on the central bank? Is it too dangerous to leave the money in the hands of the private sector alone?

These are questions that policy makers are asking. In Europe, the attitude of the ECB seems to be moving towards the launch of CBDC. Fabio Panetta of the ECB’s Executive Board recently said
“the issuance of CBDC risks becoming a necessity”.

Of course, beyond just launching a CBDC, success will lie in convincing people to actually use it. And to achieve this, privacy issues must be taken into account and there must be real added value compared to alternatives.

In summary, there remain questions about retail CBDCs in digitalized economies; but in many parts of the world, momentum is building. So when they are launched, how will they work?

How will retail CBDCs work?

The evolving standard is the 2-tier model, where the central bank mints and issues CBDCs to licensed intermediaries such as commercial banks, who maintain the relationship with the user and act as distributors. Issuance mechanisms could involve the direct exchange of CBDCs for reserves held at the central bank. This would allow the CBDC to be added as a new currency option without impacting the base money supply.

The intermediary is then able to keep the CBDC ready for distribution to the general population. They would also play the role of onboarding customers, opening wallets, and providing exchange facilities to enable conversion between CBDC and regular money. Once the client has the CBDC in their wallet, they can send it to another person or use it for payments. And then the reverse process: reconversion of the CBDC into currency, reimbursement through the intermediary to the central bank, which can then reissue it or withdraw it from circulation according to policy.

We may see several types of intermediaries participating in CBDC networks and providing wallet facilities. Nevertheless, commercial banks should be key players.

Why commercial banks will be key players

Commercial banks are the natural candidates to distribute CBDC to the population of a given country.

First, commercial banks have the means to participate. They have the liquidity in the form of reserves, which means that if a CBDC is launched, they can quickly participate and keep the CBDC ready for distribution.

Banks have a large existing customer base which extends in many countries to most of the population. This way they can support public accessibility to the CBDC. Additionally, they have experience with account opening, KYC processes, and client management, areas that the central bank would generally not want to get involved in.

Banks hold customer deposits and are therefore ideally placed to provide the on- and off-ramps and conversion facilities between these deposit accounts and CBDC wallets. Linking bank accounts to wallets with direct conversion also solves the tricky problem of receiving payments that exceed wallet balance limits, which we’ll likely see widely applied to prevent the CBDC from being used to store value at the place of deposits and the risk of bank runs.

Banks have high regulatory and operational standards which would be a prerequisite for participating in CBDC systems. For example, to connect to infrastructure which might involve hosting and operating a node on a DLT network.

Banks are therefore well placed to participate, but offering such services would require investment. This raises the interesting question: what’s in it for the banks? How could they justify the cost and what kind of services could they offer? These are questions I will explore in my next article.

About Ruben V. Albin

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