The stablecoin market is $315.6 billion strong, settling $195.6 billion daily.
That’s not the story.
Everyone fixates on the settlement layer — the rails. Visa upgrades its crypto network. Mastercard expands its stablecoin settlement program. Stripe lets merchants accept USDC. All good. All noise.
The real war is being fought one layer up: the customer relationship.
I’ve watched this pattern before. In 2017, I audited over 50 ICO whitepapers for a Vancouver advisory firm. 80% of them had no viable liquidity model. They sold tokens, not economic systems. Today, the same dynamic repeats — but the product is different. The battle is for who holds the client’s data, who processes their payroll, who lends them against their crypto.
Settlement speed is a commodity. Customer trust is a moat.
The numbers are staggering but hollow. $315.6 billion in stablecoin supply. $195.6 billion in daily transfer volume. Yet only a tiny fraction flows through traditional payment rails. Most stays within exchanges and DeFi protocols. The incumbents — Visa, Mastercard, Stripe — want to capture that flow. They are upgrading their infrastructure to handle stablecoin settlement at scale.
Visa processed $70 billion in stablecoin settlements in 2026, annualized. That’s impressive, but compare it to their overall volume: $14 trillion. Stablecoins are still 0.5% of their business. Mastercard’s numbers are similar. Stripe has enabled stablecoin acceptance for merchants, but adoption is nascent.
Meanwhile, crypto-native companies like Wirex are building the customer layer. Wirex launched its Banking-as-a-Service (BaaS) platform in 2025. In 131 days, it reached $1 billion in annualized settlement volume. It powers stablecoin cards, deposits, and yield products for partners like BingX and EVEDEX.
The contrast is sharp.
Incumbents own the infrastructure. Crypto-native companies own the client. But infrastructure is a race to the bottom on fees. Client relationships allow for product expansion, cross-selling, and stickiness.
This is the core insight: the stablecoin industry is bifurcating into two layers. The lower layer is settlement rails, which are becoming commoditized. The upper layer is the customer application layer, where the real margin lives.
Wirex’s model is instructive. It offers three products:
- Payment Cards: Wirex issues Visa and Mastercard cards funded by stablecoins. The infrastructure is provided by the incumbents. Wirex handles KYC, risk, and customer service.
- Earn: Customers deposit stablecoins into DeFi protocols like Morpho and Aave to earn up to 9.75% APR. Wirex manages the allocation and takes a spread.
- Agent Card: An automated payment card that executes rules set by the customer, e.g., “Pay my rent on the 1st” or “Top up if my balance falls below $100.” This product is entering Visa’s Agent-to-Agent payment program.
The Earn product is the most controversial.
CEO Pavel Matveev claims the high yield comes from “lending demand, not token incentives.” He’s right that Morpho and Aave generate real yields from borrowers. But those yields are variable and market-dependent. If lending demand drops, the APR collapses. The product is not a stable savings account. It’s a DeFi strategy wrapped in a bank-like interface.
Skepticism isn’t about doubting the technology; it’s about questioning the narrative that this is a simple roll-up.
I’ve seen this before. In 2020, DeFi Summer produced yield products that promised 20% APR from “real” revenue. Many were ponzis. Some were legitimate but collapsed when the liquidity cycle turned. The difference here is that Morpho and Aave are battle-tested protocols. But the risk is as much in the layers above: Wirex controls the wallet logic, the custody, and the compliance. If a smart contract fails, who is liable? The customer? Wirex? The protocol?
This is the liability fragmentation problem.
When you combine payments, deposits, loans, and automated agents in one product, the legal boundaries blur. The article mentions that Wirex’s Earn product carries “market volatility, currency risk, and smart contract risk.” But it does not quantify the probability of loss or the recourse path.
In traditional banking, deposit insurance covers you. In this stack, you are exposed to the weakest link.
Liquidity doesn’t flow to the most innovative; it flows to the safest harbor.
The incumbents understand this. Visa and Mastercard are not rushing to launch yield products. They are focusing on settlement efficiency. They know that if a stablecoin bank blows up, the reputational damage could set the industry back years.
But Wirex and its peers are betting that the market will reward higher yields and frictionless experiences. They are capturing the crypto-native customer who doesn’t trust traditional banks.
So who wins?
Let me break down the competitive dynamics.
The Infrastructure Layer: Visa, Mastercard, Stripe. They have the network effects, the compliance machinery, and the brand trust. They are integrating stablecoins as a new payment type, not as a core business. Their advantage is scale, their disadvantage is speed and willingness to innovate on yield products. They will likely acquire or partner with BaaS platforms rather than build from scratch.
The Customer Layer: Wirex, and others like it (e.g., Zero Hash, Bridge, Stable). These companies are asset-light. They use existing blockchains and DeFi protocols. They focus on UX and speed. Their advantage is agility and crypto-native culture. Their disadvantage is regulatory risk and limited balance sheet.
The Decoupling Thesis: I believe the market is wrong about who will dominate. Many assume that either incumbents will crush the upstarts or upstarts will unbundle the incumbents. I argue the winner will be a third category: an entity that combines the compliance and capital strength of an incumbent with the product agility of a crypto company.
Think of it this way. In 2018, no one thought Coinbase would become a publicly traded ETF partner. Yet here we are. The same will happen in stablecoin banking. The most likely winners are joint ventures: a regulated bank that issues stablecoins, partners with a Wirex-like platform, and shares the customer data.
But there is a darker scenario.
If the SEC decides that Wirex’s Earn product is a security, the entire BaaS model could face legal challenges. The Howey test is clear: money invested in a common enterprise with expectation of profit from others’ efforts. Wirex’s customers deposit USDC, expect 9.75%, and the profit comes from Wirex’s management of DeFi allocations. That screams “investment contract.”
Other risks: - DeFi yield compression: If lending demand drops, the APR falls. Customers might withdraw. Wirex would lose its main value prop. - Operational errors in Agent Cards: An automated payment mistakenly executes a $100,000 transaction because of a bug. Who pays? Visa? Wirex? The customer? No legal precedent. - Smart contract risk: A hack on Morpho’s USDC market drains customer funds. Wirex would face an existential crisis if it cannot make customers whole.
These are not theoretical. I’ve seen similar patterns in the 2022 Terra-Luna collapse. The death spiral accelerated because the liability was unclear. When liquidity evaporated, everyone tried to exit at once.
The Contrarian Angle: Why the decoupling thesis may be wrong.
The dominant narrative is that stablecoins are decoupling from traditional finance. I think the opposite: they are converging, but the convergence is messy.
The real decoupling isn’t between crypto and TradFi. It’s between those who can manage the multi-layered risk and those who cannot.
Wirex is taking on massive complexity by integrating payments, DeFi yields, and automated agents. Each layer adds technical and regulatory surface area. The incumbents are taking a safer, slower approach. They are building the rails, then waiting for regulatory clarity before diving into yield.
The market underestimates the complexity of the liability stack. When a customer uses an Agent Card that automatically moves funds from a DeFi pool to pay a bill, the chain of responsibility involves: - The blockchain (no liability) - The DeFi protocol (limited liability) - Wirex (fiduciary duty?) - Visa (transaction processing) - The merchant (accepting payment)
This is a regulatory quagmire. No single jurisdiction has clear rules. The EU’s MiCA only covers stablecoin issuance, not the application layer. The U.S. is fragmented.
So the contrarian take: the winners will not be those who grab the most customer data fastest. They will be those who spend the money to build compliant, insured, and resilient stacks. The yield-hungry upstarts will implode first. The incumbents will then acquire the surviving pieces.
Takeaway: The next bull run will not be driven by retail speculation. It will be driven by institutional adoption of these customer-layer products. But the path is fraught with regulatory landmines. Watch for the first major enforcement action against a “stablecoin bank.” Until then, skepticism isn’t about the technology; it’s about the narrative that this is simple.
I’ve been in this industry since 2017. I’ve seen narratives rise and fall. The stablecoin bank narrative is one of the most compelling but also one of the most complex. Technology is not the bottleneck — trust is. And trust is built slowly, destroyed quickly.
Liquidity doesn’t flow to the most innovative; it flows to the safest harbor. Right now, the safest harbor is still uncertain.