

11 Aug 2026 · 20m · 9 chapters

Three fintech moves behind everyday payments: Toast expanding with Adyen in the US; bunq’s rejected US bank charter by the OCC; Venmo enabling in-app purchases on Google Play to keep users spending inside PayPal’s ecosystem.
No guest names or backgrounds are provided in the transcript.
Payment “plumbing” (Adyen) reduces integration and stability issues; US regulators (OCC) block foreign neobanks from holding deposits unless capitalization and US-specific risk/liquidity mechanics are airtight; Venmo’s Google Play integration bypasses Visa/Mastercard interchange via a closed-loop ledger, encouraging balances to stay parked for PayPal net interest margin.
Toast POS for restaurants; Adyen routing via Visa to issuing banks; bunq’s OCC denial (Aug 4) citing supervisory/compliance concerns and unclear capitalization mechanics; Venmo buying Clash Royale coins and digital skins; 2025 app-store spend of $167B.
Written by AI. May contain mistakes.
Exploring the complex systems behind simple payment transactions.
“And today, we are pulling back the curtain on that exact architecture.”
Discussion on Toast's expansion with Adyen in the U.S. market.
“Okay, let's untack this because I am just marveling at how much invisible architecture exists behind something as simple as like splitting a pizza.”
Understanding how Adyen facilitates payment processes for businesses.
“Okay, so the text points out that Adian handles the reliable global movement of money.”
Examination of Bunq's attempts to enter the U.S. banking market and regulatory hurdles faced.
“Well, what's fascinating here is that it's less about being a monopoly and more about just the brutal reality of software development.”
Analyzing the U.S. regulatory environment and its impact on foreign banks like Bunq.
“The OCC cited significant supervisory and compliance concerns.”
Discussion of Venmo's integration with Google Play and implications for users.
“Okay, so we have foreign companies essentially being locked out of the U.S.”
Learn how Venmo's closed loop system operates and its implications for users.
“You have to look at how a traditional transaction works versus how a Venmo transaction works.”
Discover the challenges faced by neobanks like Bunq in the U.S. market.
“It's not just a pass-through tool anymore, you know, something you use just to send 20 bucks to a friend.”
Explore the competition between tech platforms and regulators affecting your money.
“They're bypassing traditional credit networks, turning your balance into casino chips, and making it dangerously easy to spend parked money on mobile games and app subscriptions.”

Get the gist, explore an idea or ask about something said.
On Fintech Stacks, what are the key points of this episode?
Automatic transcript. May contain errors.
0:00So, you walk into your favorite local spot, right? You order a taco and you just tap your phone against that little plastic screen. Oh, yeah. You hear that satisfying little beep, grab your seat, and you are totally done. I mean, the whole thing takes maybe two seconds. Exactly. It just feels like magic, honestly. You tap, the screen turns green, and you get your food. The friction is essentially zero. Right. Zero friction for you. But, you know, underneath that two-second interaction is a just staggering amount of invisible financial infrastructure. Oh, for sure. We're talking about a massive high-speed plumbing system.
0:35We've got servers, real-time risk assessments, and these global payment rails that are just constantly shifting right beneath our feet. Right. And it's all happening in milliseconds. Yeah. And today, we are pulling back the curtain on that exact architecture. We've got a stack of sources detailing a recent industry breakdown of, well, three major moves in the fintech world. Three very different moves. Yeah, right. We're looking at one major corporate promotion, one pretty harsh regulatory rejection and one brand new playground for your digital wallet. It's a great lineup. And I think it's incredibly useful because honestly, this space is notorious for burying the actual mechanics under like layers of corporate jargon.
1:18Oh, so do you. If you just read the headlines, you miss the actual turf war going on. I mean, we're looking at a very real tug of war between tech platforms trying to capture every dollar you have and government regulators just trying to police the borders of the traditional banking system. Which is why, by the end of this deep dive, you're going to see the hidden mechanics behind every single tap, swipe, and in-app purchase you make. We're going to make sense of this massive system without all the jargon. Let's do it. Okay, let's untack this because I am just marveling at how much invisible architecture exists behind something as simple as like splitting a pizza.
1:53Let's start with the promotion part of our sources. Right, the Toast and A-G-E-N news. Exactly. So the first big move is a partnership expansion between Toast and A-G-E-N. Now, for anyone who hasn't worked in a restaurant recently, Toast is the tech company that essentially operates modern hospitality. Yeah, they're everywhere now. Right. They provide the point of sale systems, the online ordering portals, the back of house inventory, even payroll. I mean, they are the screen you're looking at when you add a tip for that taco. They are. They're the consumer facing side of the transaction. But, you know, Toast itself isn't a bank.
2:29Right. They don't actually move the money from your checking account to the restaurant's merchant account. That is where Adian comes in. OK, so Adian is the plumbing. Exactly. Adian, who is officially expanding their partnership with Toast into the U.S. market. By the way, they are the payments infrastructure layer. They operate the global rails. And the sources mentioned they've already been doing this quietly in a few other places, right? Yeah, across four major countries, actually. Ireland, the U.K., Canada, and Australia. And now they're bringing this entire setup to America. Wow. Okay, so the text points out that Adian handles the reliable global movement of money.
3:09It reduces integration headaches and stability issues. I want to try an analogy here based on what we're reading. Let's hear it. So if Toast is the local band we all love seeing live, it sounds like ADN is the massive record label. Oh, that's interesting. Right. Like they give them international distribution. They handle the touring logistics and they just make sure the speakers don't blow out mid-set. I like that. But let's take it a step further because the mechanics of it are even more integrated than a record label, I think. I look at ADN more like a universal translator plug-in. A translator?
3:42How so? Well, think about what happens when a restaurant tries to scale internationally, or honestly even just handle high volumes domestically. Toast speaks restaurant, right? Right. They know menus and tips. Exactly. They know how to fire a ticket to the kitchen, how to manage a loyalty program, but the global banking system. Yeah. That speaks a hundred different dialects of compliance, risk assessment, fraud detection, and routing protocols. Oh, wow. Adian sits in the middle and translates all that data instantly so the transaction just doesn't fail. So when I tap my phone, Adian is essentially the one shouting to my bank, hey, this guy's good for the five bucks, send it over.
4:16Essentially, yes. In a fraction of a second, an API and application programming interface connects Toast's terminal to Adian's servers. Okay. Adian then routes that request through the card network. So let's say Visa. It goes over to your issuing bank, verifies the funds, checks for fraud patterns, gets the approval and sends the signal all the way back to the terminal to give you that green checkmark. In two seconds. Often less. That is wild, which honestly raises a big question for me. If ADN is handling all the heavy lifting, the reliable movement of the money, the risk management, the international compliance, does this mean ADN is quietly becoming an invisible monopoly?
4:58Like, are they just infrastructure quietly eating the world while consumer-facing brands like Toast take all the credit? Well, what's fascinating here is that it's less about being a monopoly and more about just the brutal reality of software development. What do you mean? Building payment rails is incredibly expensive. And it's highly, highly regulated. A company like Toast, they want to spend their engineering budget building better features for restaurant managers, you know. Right, like better shift scheduling software. Exactly. They don't want to build a fraud detection algorithm from scratch for the UK market and then have to build a completely different one for the US market.
5:34Yeah, that makes sense. Plus, think about the stakes. A local taco spot cannot afford to have its card reader suffer an existential crisis mid-Friday rush. Oh, that's the worst. Everyone's just standing around. Right. If the payment rail goes down, it is a live meltdown. Aegean abstracts all of that complexity away. They provide absolute stability, which is invaluable for high volume businesses. OK, so ADN proves that if you just want to move money around, the U.S. is wide open for business. When fintech works perfectly, it lets businesses scale seamlessly across borders. But what happens when a foreign tech company wants to actually hold American deposits?
6:13Yeah. Because that brings us to the second major move in our sources. And this is where it seems like the smooth road hits a massive regulatory brick wall. Yeah, because moving money and holding money are two fundamentally different sports in the eyes of the U.S. government. Right. So let's look at Bunk. The sources detail the story of this Dutch neobank. And first, just for our listeners, a neobank is essentially a digital-only bank, right? Yeah. No physical branches, just an app. Yeah, exactly. Just an app on your phone. So Bunk was founded in 2012 in Amsterdam. They are not some tiny fly-by-night startup.
6:47They're Europe's second largest neobank. They're huge over there. Right. And they applied for a U.S. national bank charter. This would let them hold consumer deposits and operate as a true bank in the U.S. But in a decision letter dated August 4th, the OCC, the Office of the Controller of the Currency, just flat out denied their application. And, you know, this was actually their second swing at the U.S. market. Yeah, they pulled an earlier application in 2024. So this is their second failed attempt, though they do say they plan to address the feedback and resubmit. OK, so let's look at the feedback.
7:21The OCC cited significant supervisory and compliance concerns. And one of the specific gripes in the source text is just fascinating to me. The capitalization issue. Yes. Bunk raised its projected initial capitalization from$50 million to$58.3 million during the process. But regulators rejected them because they never clearly articulated exactly how the bank would be capitalized in the U.S. Yeah, that's a big problem. And the OCC also flagged major doubts about the bunk teens' experience running unsecured credit cards stateside. Which are two massive, massive red flags for a federal regulator.
8:00But here's where it gets really interesting, and I feel like I have to push back on this on behalf of the listener. Okay, go for it. A$58 million capitalization plan isn't exactly pocket change, right? Right. And Bunk has been operating successfully since 2012 in a highly regulated European market. Are U.S. regulators just playing zone defense here? Zone defense. Yeah. Like, are they just moving the goalposts to protect legacy American banks from foreign competition? I mean, if we connect this to the broader geopolitical picture, I can totally see why it looks like pure protectionism. But we have to look at the mechanics of what the OCC actually does.
8:33Their strict standards are there for a reason. To protect the consumer. Well, specifically to prevent bank failures that could wipe out taxpayer money through the FDIC. Showing up with a sleek app and good vibes just isn't enough for them. The paperwork has to be incredibly tight. So when the OCC asks how a bank will be capitalized, they aren't just looking for a number on a spreadsheet. OK. What are they looking for then? They want to know the exact mechanics of the liquidity. Like, is that$58.3 million coming from stable long-term investors or is it highly leveraged? I see. Because if there's a sudden run on the bank, how fast can bunk access emergency capital?
9:12The whole we have the money, we'll figure out the exact routing later mindset. That is an absolute deal breaker for the OCC. You cannot have ambiguity there. OK, I understand the capitalization fear. That makes sense. But what about the credit card experience? Bunk is massive in Europe. Yeah. Why does the OCC care if they haven't run credit cards in the U.S. specifically? Because the U.S. credit market and the European credit market operate on completely different physics. Different physics. Completely. Right. In Europe, interchange fees, you know, the swipe fees that merchants pay to banks when you use a card, those are strictly capped by law.
9:49They are heavily regulated and very, very low. Okay. Because of that, European neobanks usually make their money through monthly subscription fees for premium app features. So they charge the user directly for the account itself. Yes. But in the U.S., the banking model relies heavily on those unregulated, highly lucrative swipe fees and critically on offering unsecured credit, meaning credit cards without collateral, to a much wider, higher risk demographic. Oh, well, OK. So the underwriting models are completely different. If a European bank comes to the U.S. and tries to use a European risk model to hand out unsecured credit cards to American consumers, the default rates could spike instantly.
10:29The OCC is basically saying, look, you do not understand the specific risks of the American consumer. And the source material points out this isn't an isolated incident. WISE, which is another massive global fintech, recently had its U.S. trust charter application denied over anti-money laundering and compliance concerns. Right. It's a broader crackdown. Which reminds me of that brilliant analogy in the text comparing this to the NFL draft. Oh, yeah. The scouting analogy. It perfectly captures the U.S. regulatory environment right now. Right. You have these incredibly talented prospects, these massive, successful foreign neobanks declaring for the U.S.
11:08Banking League. And the scouts, meaning the regulators, just keep sending them back to run it up in college for one more year. Exactly. They're essentially telling these billion-dollar companies, you have incredible talent, your app is gorgeous, but your fundamentals just aren't ready for this league. They really are keeping a remarkably tight leash on foreign fintechs. The message from Washington is crystal clear. You can have all the tech innovation in the world, but if your paperwork and your U.S.-specific risk models aren't completely airtight, you are not getting the keys to the vault. Wow.
11:40Okay, so we have foreign companies essentially being locked out of the U.S. banking system by these regulatory gatekeepers. Yeah. But meanwhile, domestic U.S. fintechs are building their own walls. Oh, they definitely are. Except they aren't locking competitors out. They're building walls to lock your money in. And that brings us to the third piece of the puzzle. Venmo going full gamer on Google Play. This is such a fascinating pivot in how digital wallets operate. And honestly, it ties directly into the mechanics of those swipe fees we were just talking about. Right. So starting this past Monday, Google officially added Venmo as a payment option on Google Play.
12:16Huge move. Yeah. Venmo joins its parent company, PayPal, as well as Cash App, alongside all the traditional credit and debit cards. So now you can use your Venmo balance or a link bank account to buy apps, pay for subscriptions, or buy in-game currency. Which is a massive market. Oh, totally. The sources specifically highlight buying coins in Clash Royale or buying digital skins. Which tells you exactly who they are targeting with this integration, Gen Z and millennials. definitely Venmo's general manager actually framed it exactly that way this is a demographic that treats a digital wallet less like a traditional bank account and more like a like a digital lifestyle hub like a personality trade almost yeah that's a good way to put it and the market size here is staggering our sources note that users spend across iOS and Google Play in 2025 topped 167 billion dollars 167 billion yeah that's an increase of 10.6 percent year over year.
13:13That is just a massive amount of liquidity flowing exclusively through app stores. So what does this actually mean for the consumer? When I read this, I immediately thought about a casino. A casino. How so? It sounds like Venmo balances are becoming casino chips. You put your money into the app, maybe someone pays you back for brunch or splits rent with you, and suddenly you have a couple hundred bucks sitting in your Venmo balance. Right. Instead of taking the two seconds to cash out at the cage, meaning, you know, transferring it back to your real bank account, PayPal wants you to take those chips straight to the digital tables in Google Play.
13:45That's a really good analogy. But I have to ask, isn't making in-app spending this dangerously frictionless, ultimately a trap for the consumer? Well, it definitely blurs the line between real money and digital credits, right? But if we look at the bigger picture of PayPal's corporate strategy, this is an incredibly smart, highly calculated mechanical flex. How so? You have to look at how a traditional transaction works versus how a Venmo transaction works. Walk me through the difference. Okay, so in a traditional transaction, we have what is called the four-party model. You have the consumer, the merchant, the issuing bank that gave you the card, and the acquiring bank that holds the merchant's money.
14:26When you swipe a Visa card on Google Play, Visa and the banks take a cut of that transaction. It's an interchange fee of roughly 2 % to 3%. So Google loses that 3 % and the banks take it. Right, the swipe fee we talked about earlier. Exactly. But Venmo operates a closed loop system. If you use your Venmo balance to buy Clash Royale coins, that money never touches the Visa or MasterCard network. Oh, wait, really? Really. It just moves from one ledger inside PayPal servers to another ledger inside PayPal servers. Oh, wow. So they completely bypass the toll booth. They bypass the toll booth entirely.
15:03They don't pay interchange fees to external credit card networks. It stays entirely within their walled garden. And every single new payment rail that Venmo gets added to, like, Google Play is just another excuse for a user to leave their money parked in the app. And the source text points out the psychology behind this, comparing it to a gym membership. Yes, the gym membership effect. You keep paying for the gym because canceling it feels like a hassle or, you know, admitting defeat. There's administrative friction. With Venmo, PayPal actually wants you to keep the balance parked there because moving it requires a couple of taps, maybe a waiting period or paying that small instant transfer fee.
15:41Exactly. It's the exact same psychological lever just pulled in the opposite direction. They are engineering an ecosystem where the friction to spend money inside the app is basically zero. But the motivation to move money outside the app is subtly diminished by just sheer convenience. But how does PayPal win just by holding my$50 balance? Even if I don't spend it on Google Play, why do they care if it just sits there? This comes down to something called net interest margin. When millions of users leave$50 sitting in their Venmo accounts, PayPal pools all of those parked funds together. We are talking about billions of dollars in aggregate liquidity.
16:19PayPal can then take those billions and park them in safe, yield-bearing assets, like short-term U.S. Treasury bills. Oh, I see where this is going. Right. If treasuries are yielding, say, 4 % or 5%, PayPal is earning hundreds of millions of dollars in pure interest on your parked money. And they don't pass that interest on to the Venmo user. Usually, no. That is pure profit for the platform. So first, they earn interest on the aggregate parked funds. And second, when you finally do spend it on Google Play, they save that 3 % interchange fee. Man. By making it frictionless to buy digital goods, they capture the value on both ends.
16:56You just keep circulating your funds inside PayPal's universe. Which completely changes the nature of what a digital wallet actually is. It's not just a pass-through tool anymore, you know, something you use just to send 20 bucks to a friend. It's becoming a final destination for your cash. It is. It's becoming a parallel financial system. And that brings us full circle to the journey we've been on today. We started by looking at how ADN and Toast are perfectly synchronizing their APIs to handle the invisible infrastructure of restaurants. Right, translating the complex dialects of global banking to make U.S.
17:27expansions seamless. Exactly. It's the plumbing working perfectly so businesses can scale. But then we saw the flip side. We watched Bunk get sent back to the regulatory drawing board by the OCC. Which was a stark reminder that moving money across borders is easy, but holding it as a recognized bank in the United States requires clearing an incredibly rigid bar. Yeah, you cannot just show up with a sleek app. Your capital structure and risk models have to be bulletproof. The regulators are guarding the gates, and they do not care how popular your app is in Amsterdam. Nope. And finally, we explored how Venmo is leveraging that exact concept of holding money.
18:06They're bypassing traditional credit networks, turning your balance into casino chips, and making it dangerously easy to spend parked money on mobile games and app subscriptions. All while earning yield on the cash you leave behind? It really is all interconnected. Every single one of these moves is about controlling the flow of liquidity. It really is. And the reason you listening right now should care about all of this is because the friction or the complete lack of friction in how you spend, save and store your money isn't an accident. No, not at all. It is being meticulously engineered behind the scenes.
18:37There's this constant, invisible tug of war happening every second of the day between massive tech platforms trying to capture your digital wallet and government regulators trying to police the borders of the traditional banking system. And, you know, that leaves us with a really fascinating implication for the future, if you think about it. What's that? Well, if we look at the trajectory of these three stories, we see two opposing forces. Regulators like the OCC are actively keeping foreign neobanks out. they are maintaining this very traditional, highly regulated moat around U.S. banking. Right.
19:12But at the exact same time, domestic apps like Venmo are becoming these all-encompassing, frictionless ecosystems for everything from paying rent to buying Clash Royale skins. They're building an alternative to the very banks the OCC is trying to protect. Exactly. So the question we have to ask ourselves as we watch this infrastructure evolve is this. Are we moving toward a future where a massive segment of the population just stops using traditional banks entirely? Right. If your paycheck, your rent, your dinners, and your digital entertainment can all be managed seamlessly within a tech platform's closed-loop walled garden, will our money just permanently live inside these frictionless apps?
19:50We might be approaching a reality where our daily finances never actually touch a traditional regulated bank account again. It makes you wonder who is really winning the tug of war. The next time you tap your phone for that taco, take a second to listen for the beep. Because underneath that split-second sound is an entire universe of infrastructure, quietly fighting over where your money lives next.
Adyen just followed Toast into the US, the OCC just told Bunq to try again, and Venmo is officially your new game-buying money. We break down what each move actually means for the fintech landscape — and why "getting rejected by regulators" is becoming a whole genre this year.



