Latest / Monetary Policy Explained with Fexingo: Central Banks, Money Supply, and Interest Rates / How Central Banks Use Digital Currencies to Reshape Payments
Transcript
- Lucas: So, Luna, you remember the Sand Dollar? The Bahamas launched it back in 2020, the world's first fully deployed central bank digital currency. Luna: Right, that's the one that got a lot of attention because it was the first actual live CBDC, not just a pilot. But what's really interesting is why they did it. Lucas: Exactly. And that's what I want to dig into today. Because when most people hear 'central bank digital currency,' they think about China's digital yuan or maybe a future digital dollar. But the Bahamas actually has real-world experience now, and it tells us a lot about what these things are actually for. Luna: So what was the motivation there? I think a lot of people assume it's just about modernizing payments, but there's usually more to it. Lucas: Right, for the Bahamas, the core motivation was financial inclusion. The country is a chain of about seven hundred islands, and a lot of the smaller ones don't have a commercial bank branch. People were relying on cash, and cash is expensive to move around when you're on a boat. Luna: So they basically wanted a digital version of cash that could work on any phone, without needing a bank account? Lucas: Exactly that. The Sand Dollar is a direct claim on the central bank, just like a physical dollar, but it lives in a digital wallet. You can load it with cash or transfer it from account, and it can be used peer to peer, even offline on some devices. It was designed to make payments work everywhere, even on a beach. Luna: That's a really concrete example. And I've read that the initial uptake was a bit slow, right? I remember seeing some numbers about adoption being lower than expected in the first year. Lucas: Yeah, that's fair. The Central Bank of the Bahamas reported that something like only a few million dollars' worth of Sand Dollars were in circulation initially, which is tiny compared to the overall economy. They had to make it mandatory for businesses to accept it, and even then, it took a while to catch on. Luna: What do you think slowed it down? Was it a technical problem, or just people not seeing the point? Lucas: Partly both. On the tech side, the wallet app was clunky at first. But more fundamentally, I think there was a trust issue. People were used to paper dollars, and suddenly being told their money could be digital made some nervous. Plus, there was a learning curve for merchants and consumers alike. Luna: That's interesting because it shows that even a well-intentioned CBDC isn't a magic bullet. It has to compete with cash, which is actually pretty convenient. Lucas: Right. And that's a lesson central banks around the world are paying attention to. So now you have China rolling out its digital yuan in major cities, Sweden piloting the e-krona, and the European Central Bank is working on the digital euro. They're all watching the Bahamas to see what works and what doesn't. Luna: But do you think the motivations for those bigger economies are the same? Like, China doesn't have an archipelago problem. Lucas: No, definitely not. For China, it's partly about domestic control and efficiency, but also about internationalizing the yuan and reducing reliance on the dollar-based system. For Sweden, it's about the fact that cash is almost extinct there, so they need a public alternative to private payment apps like Swish. Luna: So it's really a spectrum of reasons. And that brings up the big question that everyone's worried about: what does this mean for commercial banks? Lucas: That's the elephant in the room. If people can hold digital cash directly at the central bank, why would they keep their savings in a commercial bank? That could disintermediate banks, which is why you've seen the banking industry push back against aggressive CBDC designs. Luna: And that's the so-called 'bank run' risk, right? In a crisis, people could instantly shift their deposits into CBDC, causing a digital run. Lucas: Exactly. That's why most central banks are designing CBDCs with limits on individual holdings. For example, the digital euro is reportedly going to have a cap of around three thousand euros per person. That's enough for daily transactions but not enough to trigger a massive flight from banks. Luna: That seems like a reasonable compromise, but it also limits the usefulness. If you can't hold a lot, it's really just a payment tool, not a savings vehicle. Lucas: Right, and that's probably intentional. Central banks don't want CBDCs to be a competitor to bank deposits. They want them to be a public option for payments, like digital cash, but not a substitute for the banking system. Luna: Okay, so what about privacy? That's the other big worry. If the central bank has a record of every transaction, that's a huge surveillance tool. Lucas: That's a legitimate concern. In the Bahamas, the Sand Dollar is not anonymous; it's tied to your identity, and transactions are recorded on a centralized ledger. That's fine for a small country, but for larger economies, it raises serious privacy questions. Luna: And that's why we're seeing this debate about 'programmable money' and the potential for central banks to impose restrictions on how you can spend your money. Lucas: Right. Some designs even allow for 'expiring money' or restricting spending to certain categories. That's a huge departure from physical cash, which is completely fungible. So the design choices here are really about balancing public interest with individual freedom. Luna: But let's step back. For a regular person, what's the actual benefit? Faster payments? Lower costs? I mean, we already have Venmo and PayPal. Lucas: That's a good point. For most of us, CBDCs might not feel revolutionary. But there are cases where they could help. For example, during a natural disaster, if the power goes down and ATMs are dead, a CBDC with offline capability could still let you pay for essentials. That's a real advantage for places like the Bahamas, which get hit by hurricanes. Luna: That's a concrete example that makes sense. And also, government benefits could be distributed instantly, without the delays of checks or bank processing. Lucas: Exactly. And that's an angle we haven't covered on this show yet. So today, I want to focus on that specific use case: how CBDCs are being designed as a public infrastructure for payments, and what it means for the way we think about money. Luna: And I think that's a crucial point, because if we get this right, it could be as fundamental as the transition from gold to paper money. Lucas: Yeah, that's the big picture. But let's not get ahead of ourselves. The reality is that CBDCs are still in their infancy. The Bahamas is one of only a few live deployments, and most others are still in pilot or research phase. Luna: And even in the Bahamas, adoption has been slow. So we're probably years away from a digital dollar or digital euro. Lucas: Which is a good thing in some ways, because it gives us time to think through the design. The decisions made now will shape the monetary system for decades. And that's why it's so important that the public understands the trade-offs, not just policymakers. Luna: Speaking of understanding, I think we should also mention that the Fed is doing its own research on this, but they've said they wouldn't move forward without clear support from Congress and the public. Lucas: Right, and that's a huge contrast to China, where they're just rolling it out. So the pace and the approach vary a lot depending on the political system and the priorities. Luna: You know, this whole conversation reminds me of something we talk about a lot on this show: that money is ultimately a social construct. CBDCs are just the latest iteration of that. Lucas: Absolutely. And that's what makes this such a fascinating topic. It's not just a tech story; it's about trust, governance, and the relationship between citizens and their central bank. Luna: So before we wrap up, let's talk about what listeners can do to stay informed on this. Is there a resource you'd recommend? Lucas: I'd say the Bank for International Settlements, or BIS, publishes a lot of research on CBDCs, and they have a nice tracker of all the projects around the world. That's a good starting point for anyone who wants to dig deeper. Luna: And if you enjoy these deep dives into how the financial system actually works, you can support the show by buying us a coffee at buy me a coffee dot com slash fexingo. It helps keep this podcast ad-free and independent. Lucas: Yeah, that's the way to support us if you're so inclined. Every little bit helps, and there's no pressure. Now, back to the topic — I think the key takeaway is that CBDCs aren't just about convenience; they're about the future of money itself. Luna: And that future is being written right now, in places like the Bahamas, China, and Sweden. It's a global experiment, and we're all part of it. Lucas: Absolutely. So next time you hear about a central bank testing a digital currency, you'll know it's not just a tech fad. It's a fundamental shift in how we think about money and who controls it. Luna: And that's the kind of insight you can share at your next dinner party. Thanks for being here, everyone.