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How Stablecoins Quietly Out-Moved Visa and Mastercard

In 2025, dollar-pegged tokens settled more value than the two card giants combined. Here's what actually happened — the asterisk on that number, why the biggest banks and Visa both moved at once, and where the money is going.

Alpha One

27 May 2026 • 7 min read

Sometime in 2025, without a single press conference or ribbon-cutting, the plumbing of global money quietly changed hands.

For the first time, stablecoins — dollar-pegged digital tokens that live on blockchains — moved more value across their networks than Visa and Mastercard did combined. By the most-cited tally, stablecoins settled roughly $33 trillion on-chain over the year, against about $25.5 trillion for the two card giants together.

That number deserves an asterisk, and we'll give it one. But even after you strip away the hype, something real happened: a payment rail that barely existed five years ago is now operating at the scale of the institutions that have run the world's money for half a century. Here's what actually occurred, why Wall Street and Washington both moved at once, and where the money is going.

First, what a stablecoin actually is

Skip this if you live on crypto Twitter. For everyone else: a stablecoin is a digital token designed to hold a fixed value — almost always one US dollar. You hand the issuer a dollar; they mint you a token; they (are supposed to) hold that dollar in reserve, typically in cash and short-term US Treasury bills. Burn the token, get your dollar back.

The point is not speculation. It's speed. A stablecoin moves between two wallets anywhere on earth in seconds, around the clock, for cents — no correspondent banks, no three-day settlement, no "the wire will clear Monday." For a business paying a supplier in another country, that is the difference between a problem and a non-problem.

That utility is why the market for outstanding stablecoins has gone from about $25 billion in 2020 to roughly $280 billion by the end of 2025. Two issuers dominate: Tether's USDT (around $184 billion) and Circle's USDC (about $79 billion) together account for more than 80% of supply.

The asterisk: was it really $33 trillion?

Yes and no — and the gap is the whole story.

Raw on-chain volume counts every token movement, including bots shuffling funds between exchanges, automated trading loops, and collateral being recycled through decentralized finance. Visa's own adjusted methodology, which tries to isolate genuine economic activity, puts "real" stablecoin volume closer to $10 trillion over the trailing year — large, but not yet larger than the card networks.

So the honest framing is this: by the broadest measure, stablecoins have already passed Visa and Mastercard. By the strictest measure, they haven't — but they're closing the gap fast, and the trajectory is the point. A useful chunk of that activity is now economically real: industry trackers estimate roughly 60% of stablecoin flows are business-to-business, as corporates use dollar tokens for cross-border treasury and settlement. That's not gambling. That's infrastructure.

2025 was the tipping point — and a law is why

The catalyst was regulatory, not technological. In July 2025, the US enacted the GENIUS Act, the first federal framework for dollar-backed payment stablecoins. It did something the industry had wanted for years: it made stablecoins legal, defined, and bankable.

The law restricts issuance to regulated entities — banks, credit unions, and specially licensed non-bank issuers — under the supervision of the Office of the Comptroller of the Currency. Through early 2026, the OCC and FDIC have been writing the detailed rules, proposing a bank-like compliance regime for issuers, with key pieces expected to finalize around mid-2026.

Translation: stablecoins stopped being a regulatory gray zone and became a product a chartered bank can offer without its compliance department having a heart attack. The moment that happened, the incumbents moved.

The banks finally woke up

For years, big banks treated stablecoins as a threat to be lobbied against. In 2026, they switched to "if you can't beat them, issue one."

In May, reports emerged that JPMorgan Chase, Bank of America, Wells Fargo, and Citigroup were exploring a jointly operated stablecoin — a striking move from institutions that compete on almost everything else. The logic is defensive: if dollar tokens are going to carry a growing share of payments, the banks would rather mint them than watch deposits leak to Circle and Tether.

Europe is moving in parallel. Ten major banks — including BNP Paribas, ING, UniCredit, CaixaBank, and others — have formed a company to launch a euro-pegged stablecoin reportedly named Qivalis, a clear attempt to keep European payments from being fully dollarized on-chain.

When the most conservative institutions in finance start forming consortiums, the experimental phase is over.

Visa and Mastercard: orchestrate, don't get orchestrated

The most interesting reaction came from the companies with the most to lose. Rather than fight, the card networks are absorbing.

Visa launched USDC settlement in the US and now reports a stablecoin settlement run rate in the billions, up more than 50% in a single quarter. It has built out a stablecoin advisory practice and is treating tokens as a settlement layer inside its existing rails.
Mastercard moved to acquire stablecoin infrastructure firm BVNK in a deal that could be worth up to roughly $1.8 billion, and has enabled multiple stablecoins across its network.

Both companies have made the same calculation: their value was never really in moving the money — it was in the trust, dispute resolution, fraud protection, and merchant relationships wrapped around the money. Stablecoins can be the new pipes; Visa and Mastercard intend to remain the plumbers. As executives have framed it, the goal is to be the orchestrators of stablecoin and agentic commerce, not its casualties.

That last phrase matters. "Agentic commerce" — AI software agents transacting on their own — is shaping up to be the killer use case. Bots can't hold a Visa card, but they can hold a wallet. If autonomous agents become real buyers and sellers, programmable dollars are their native currency.

Where the money actually is

For investors, the stablecoin boom has a counterintuitive feature: the most direct beneficiary is the US Treasury market.

Stablecoin issuers back their tokens largely with short-dated US government debt. Circle has disclosed that more than 84% of its reserves are government-backed obligations, and that roughly 95% of its Q4 2025 revenue came from interest earned on the Treasuries and cash behind every USDC. In other words, the business model is: take customer dollars, buy T-bills, keep the yield. A larger stablecoin float means a larger, structural new buyer of US government debt — a quiet tailwind for Treasury demand that policymakers have noticed.

On the equity side, the clearest pure-play is Circle, which went public in 2025 and has been among the best-performing crypto-linked stocks of 2026, with its market value swinging on every twist of the regulatory story. Tether remains private and dominant, and recently moved to hire a Big Four firm to audit its reserves for the first time — a transparency step that, if completed credibly, would remove one of the longest-standing question marks in the sector.

The risks nobody should ignore

This is where free analysis earns its keep. The bull case is loud; the fragilities are real.

The yield ban. Draft US legislation (the CLARITY Act) would prohibit paying holders a yield for simply holding a stablecoin. That sounds technical, but it strikes at how issuers and exchanges share reserve income. When the provision surfaced in March 2026, Circle's stock fell more than 20% in a single session. Regulation giveth and taketh away.
Concentration. Two issuers control 80%+ of the market. A failure, freeze, or de-peg at either Tether or Circle would not be a contained event — it would be a systemic one, transmitted instantly through every venue that holds the token.
Reserve runs. Stablecoins are, structurally, narrow banks holding Treasuries against on-demand liabilities. In a panic, mass redemptions could force fire-sales of Treasury bills — the exact "stablecoin run" scenario regulators are now drafting rules to prevent.
The volume mirage. As noted, a large share of "settlement" is automated churn, not commerce. Anyone underwriting an investment on the $33 trillion headline alone is buying the asterisk.

The bottom line

The story of stablecoins in 2025–2026 is not that crypto won. It's that the dollar found a faster set of pipes — and the entire financial establishment, from the four largest US banks to the two largest card networks to the US Treasury, decided it would rather own those pipes than be bypassed by them.

The headline that stablecoins "beat Visa and Mastercard" is half marketing. But the underlying shift — programmable dollars moving from the fringe to the core of global payments, with regulators, banks, and Big Tech all repositioning at once — is one of the most consequential changes in financial infrastructure in a generation. The volume numbers will keep getting argued about. The direction of travel is no longer in doubt.

Watch three things from here: whether the bank consortiums actually ship a product, whether Washington's yield rules choke the issuers' economics, and whether AI agents become the demand engine that turns stablecoins from a settlement tool into the default currency of machine-to-machine commerce.

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