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Zim govt looking at central bank digital currency, what is that and why won’t it fix our problems

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For a brief period of time, it appeared the Zimbabwean govt was going to adopt cryptocurrencies into the economy and that had us salivating a little. They then yanked that rug from beneath our feet. Turns out they are looking at Central Bank Digital Currencies (CBDCs) and those are infinitely less exciting for us.

We are going to be looking at what CBDCs are. However, it is imperative that we tone down our excitement because CBDCs won’t fix the currency issues we have in this country as we shall see. There are benefits however and we shall look at those too. 

What are Central Bank Digital Currencies?

CBDCs are the digital form of a nation’s currency. Or, in other words, the desperate attempt by central banks to fend off cryptocurrencies like bitcoin. 

So, it is the Reserve Bank of Zimbabwe (RBZ) which would issue, regulate and control the CBDC. 

Like all other national currencies, we would still be talking about a fiat currency, meaning its value and stability would still be dependent on the monetary policies of the RBZ. That is because the CBDC in effect would just be the RTGS$, in a new digital form.

So like the good minister said, technically we would not be introducing a new currency. Rather, we would be introducing a digital token/virtual form of the RTGS$.

But isn’t the RTGS$ already a virtual currency? What’s going on here? 

How currency works today

The way our banking system works today is that physical cash is the real currency in the economy. 

We have a situation where there is more money in electronic form than physical. There is more money in our bank accounts and mobile money wallets than there is cash in the economy.

However, the value of those bank balances we have derives from being convertible into cash. It is the RBZ which bears the liability for the physical cash. Therefore, since the central bank is a govt backed entity which can print as much as it wants, it can never go broke.

Meaning we can trust that the physical cash is and will remain legal tender and that they will honour the physical notes we have. Although inflation may diminish the value of that cash, it remains usable and will be accepted everywhere.

Contrast that with the other balances in our accounts and wallets. Those digital entries on a computer represent a claim to physical cash. We expect to be able to visit a bank branch and withdraw those funds. But of course we can’t all do that, there isn’t enough cash to go around. 

Hence why bank runs can be a thing, where all depositors of a bank demand their cash which the bank does not have. There are measures to protect banks from this but it is a real thing.

Our trust in banks only extends as far as the reserves they are required to keep with the RBZ and their equity capital. Unlike the RBZ which can print more money and is backed by the tax collecting govt.

To note is that when you have a positive balance with a bank, it is that bank which you have a claim on. Not the central bank. That is why when banks folded during the hyperinflation era, people lost their savings. The central bank is not liable for the deposits you place with a bank. A deposit protection scheme was devised for that purpose and it has its own costs and problems.

Electronic RTGS$ vs digital currency

Like we noted, a digital currency would be the virtual form of the RTGS$. This means it would be as good as cash in that the RBZ would be liable for it. Therefore, just like it is when you’re holding all your money as cash, you wouldn’t care if a bank went under. The RBZ would be liable for the digital currency in your wallet, for it is cash in digital form.

The central bank digital currency would be just like cash in that each unit would have a unique identifier. Just like cash which has a unique serial number. 

Again, contrast this with electronic RTGS$ which banks are liable for. They appear as liabilities on banks’ accounts because it is the banks, not the RBZ, that owe that money to depositors. So, although the trust is that the bank balance can be converted into cash which would be the RBZ’s liability, the reality is that that cash just isn’t there. 

Cryptocurrency vs central bank digital currency

Both are ‘digital currencies’ but the main difference is that CBDCs are issued by a central authority which retains the power to issue as many such digital currencies as it wants. Whereas, cryptocurrencies like bitcoin do not have a central authority with unfettered power to issue coin. 

Rather, in the case of bitcoin, we already know the maximum number of bitcoin that will ever be created. And those will be created by users who mine for the cryptocurrency. 

The other difference is that cryptocurrencies utilise blockchain technology which central bank digital currencies could use but are free not to. One of the leaders in CBDCs is China which has a digital yuan in testing and it does not utilise blockchain technology at this moment. They are considering the distributed ledger but cite its scalability and performance limitations today.

How would a digital currency be released?

First we need to know how it would all actually work. There are a few considerations to be made; token-based or account based technology.

Token-based digital currencies allow people to verify the authenticity of the currency just like we would for cash. The kind I alluded to earlier where we can check the unique identifiers and accept if we are satisfied it is the real deal.

This of course mimics cash so well and can allow for offline transactions and anonymity. There is no record of the cash transactions we have and neither would there be for the exchange of the token-based digital currency if we so chose.

An account based system would be similar to the credit card system and to an extent the bank transfer system we have today. When a Zimbo seeks to pay or transfer funds, the system checks whether he has an account and sufficient funds and the transaction is effected.

The other matter to be decided is whether the distribution model would be one-tier or two-tier.

A one-tier system would give the RBZ more power and control at the expense of banks. The RBZ would distribute the digital currency itself and we could hold accounts with the central bank directly and could completely forgo commercial banks. The RBZ would see payment data in full (as opposed to cash/token-based CBDC) and would be able to more accurately tweak its monetary policies.

Banks as we know them would be upended. All deposits would be with the central bank and so with zero deposits, changes to their business model would have to be made. No more relying on bank charges to survive. They would have to borrow from the RBZ and utilise those funds to resume lending activities. Yes, the lending they are not too keen on will become the main source of income.

The one-tier system has a low chance of being adopted. The RBZ would have to scale up massively and improve its systems to be customer facing. Therefore the two-tier system is most likely what the RBZ would use, with banks as intermediaries. Banks would distribute the CBDC and hold depositors’ CBDC wallets. 

A token-based CBDC distributed through the two-tier system would be almost indistinguishable to what we have today. Banks would be intermediaries for the cash-like CBDC in much the same way as they are for RTGS$ cash. Whilst a one-tier account-based system would be the most disruptive for banks.

In closing

There are benefits to CBDCs that can’t be denied:

  • Reduced risk for the public as their savings would not be dependent on the health of private banks
  • Greater oversight leading to better informed decisions for the RBZ as it has more extensive data on the movement of funds in the economy.
  • Reduced dependence on cash, which among other things reduces the cost of printing and distributing the cash.
  • Faster and less costly payments for the populace could be achieved whilst also reducing payment frauds and other illegal activities.
  • CBDCs would improve our financial inclusion problem, as one would no longer need a bank account to utilise electronic money. Much like it was with EcoCash and friends before we decided to cripple mobile money.

There are drawbacks though:

  • Greater control by the RBZ could be a disadvantage if looked at from a different angle
  • Privacy would probably be a thing of the past. The anonymity cash afforded us would be gone. The RBZ would know exactly how we spend our money. Token based tech could offer privacy if the RBZ decided so but would they? I don’t think so.
  • The RBZ would have to increase in scope as it would be taking on some of the activities currently being done by banks e.g. KYC and anti money laundering.
  • The competition between the RBZ and banks for deposits and lending would see banks struggle and some fall by the wayside. So the question is, could the RBZ be able to serve efficiently? Especially if we consider the ridiculous notion of them dealing with personal loans for peeps like me

There is more to all this obviously but we gotta end somewhere. To note however is that it’s all well and good but the fact remains, any digital currency in Zimbabwe will be the RBZ’s digital currency. Meaning the technology might be interesting but in the end the success of the digital currency will be dependent on the monetary policies of our beloved RBZ.

Would people suddenly trust the RTGS$ simply because it was in digital form? Not likely, since they don’t even trust it in physical cash form.


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12 thoughts on “Zim govt looking at central bank digital currency, what is that and why won’t it fix our problems

  1. I don’t know much about economics but i think it will be a good move if they go with tier ond. I used to ask a certain someone this question, “what is the real purpose of banks if we have the central reserve bank in these modern times”. All banks do esp here in Zim is consume that little money of yours for nothing. But again i really poor at economics,that i know, tunnel vision lol.
    I hope we follow El Salvador in making crypto legal tender.

    1. I too think that making crypto legal tender would be the right move. As for adopting a tier one distribution model for CBDCs, I’m not sure the RBZ is capable of pulling that off, they would essentially be the central bank and THE commercial bank of Zimbabwe. They are struggling with the former, tacking on the complexities of maintaining a new and dynamic system would be too much. And the frustration with banks is totally understandable in my opinion, what really are they providing in the economy? Charging us for electronic transactions we have no choice but to adopt and not really offering the credit we need. So yeah, it’s a frustrating mess.

      1. The monetary situation in Zim is very volatile. I just pray for the best. Recent shock and awe policies have caused major upsets and losses and one would be naive to put his faith in our banking system.

  2. Sophisticated ICT equipment which requires electricity 100% of the time will be required. Who will supervise the central bank and force it back on the rails if challenges occur? What is the reason of shunning physical money when developed economies still use physical money and they are far from dreaming utilization of digital money? How long will it take to successfully digitalize currency if we are still struggling with digitalization of radio and tv services many years after the targeted date?

    1. Therein lies the other problem. The other fundamentals needed for us to successfully launch and maintain a CBDC. You’re right. It’s a pipe dream, we are a long long way from this. Might as well adopt cryptos and call it a day.

    2. When you put it that way, it is indeed a dream. Some Alice in Wonderland, down the rabbit hole, level of dreaming.

  3. Are you able to elaborate on what exactly had you salivating? ” it appeared the Zimbabwean govt was going to adopt cryptocurrencies into the economy” salivating for what reason ?

    1. With pleasure. The opportunity to participate in the global economy without restrictions. I don’t want to have to be a net exporter to be able to buy a $30 e-book reader on the net. I want to hold on to a currency which while volatile in the extreme short term, is gaining in the long term. One whose value is market driven and not reliant on vaMangudya’s policies. And so on and so on.

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