Stablecoins are quietly becoming the internet’s money

In 2025, stablecoins settled more transactions than Visa. Real-world stablecoin payments doubled to $400 billion. Visa, Mastercard, Stripe, PayPal, and Western Union all turned on stablecoin rails inside their existing products. The $GENIUS Act became U.S. law. And almost no one outside crypto noticed. The most important shift in the global payments system in twenty years happened in plain sight, and it is still being misread as a crypto story.

The biggest story in crypto is not about crypto

Strip away the meme coins, the price predictions, the ETF flow charts, and the regulatory drama. The single most consequential thing happening in digital assets right now has nothing to do with any of it. It is not Bitcoin. It is not even speculation. It is the quiet, accelerating absorption of stablecoins into the actual plumbing of how the world moves money.

Some numbers, because the numbers are the story.

The global supply of fiat-backed stablecoins crossed $319 billion in April 2026, up from roughly $7 billion six years earlier. A forty-fold expansion in an asset class that did not meaningfully exist before 2020. Adjusted stablecoin transaction volume grew ninety-one percent in 2025 to $10.9 trillion, closing in on Visa’s $14.2 trillion. By Plasma’s accounting, total settlement volume hit $33 trillion last year, past Visa’s annual throughput. Stablecoins processed roughly twenty times the volume PayPal did. Morph’s research projects that 2026 stablecoin settlement could top $50 trillion.

The most telling figure is not the size. It is the mix. Real-world stablecoin payments, the share of activity that is not crypto trading but actual commercial movement of money, doubled in 2025 to $400 billion. Sixty percent of that was business-to-business: companies paying suppliers, settling cross-border invoices, managing treasury, and moving payroll. Stablecoins are no longer just chips at the crypto casino. They have become an operating layer of international finance.

The reason this has happened without much public attention is mostly aesthetic. Stablecoins look boring. A dollar-pegged token does not 10x. There is no narrative, no chart porn, no influencer screaming about a new all-time high. They are infrastructure, and the great rule of infrastructure is that it stays invisible until it does not. The whole point of a stablecoin is that nothing dramatic happens to it. The dramatic thing is what gets built on top.

That is now being built. Fast.

What “internet money” actually has to do

For anyone who has spent any time around crypto, the phrase “internet money” has been thrown around for a decade, usually attached to assets that turned out not to be anything of the kind. Bitcoin was supposed to be it. Then Ethereum. Then a parade of L1s. None of them quite worked as money, because money has a job description far more demanding than “store of value” or “speculative asset.” It has to be reliable in unit, accepted broadly, transferable cheaply, and usable for the boring middle ninety percent of economic life: paying rent, settling invoices, sending payroll, buying coffee.

Stablecoins fit that job description in a way no prior digital asset did. They are pegged to the dollar, so a stablecoin is not really an investment; it is just a dollar that happens to live on a blockchain. Reserves, when properly backed, sit in cash and Treasury bills, the same instruments that already underpin trust in the financial system. Transactions are near-instant, run twenty-four hours a day, settle on weekends, cross borders without correspondent banking, and cost a fraction of what wire transfers do.

What changed in 2025 and 2026 was not the technology. Stablecoins have done these things for years. What changed was that the actual companies that move money for everyone else started building stablecoins into their products as a default, not an experiment.

The list reads like a roll call of global payments. Visa runs a stablecoin settlement program that hit a $7 billion annualized run rate in late April 2026, up fifty percent from the previous quarter, and operates across nine blockchains, including Ethereum, Solana, Avalanche, Base, and Polygon. Visa’s broader Visa Direct stablecoin payout product is live in over fifty countries. Mastercard, Stripe, PayPal, Western Union, Klarna, Cloudflare, Meta, Intuit, Fiserv, and Zelle have all either launched or announced integration plans. PayPal’s own stablecoin, $PYUSD, sits in their consumer app alongside fiat balances.

The shape of the change is what matters. None of these companies is making a bet on a speculative asset. They are quietly upgrading the rails their existing products run on. A Visa card customer in Bogotá does not know, and does not need to know, that the back-end settlement between the issuing bank and Visa now travels as $USDC on Solana rather than as fiat through a correspondent banking chain. The user experience is unchanged. The plumbing underneath is being replaced.

The two stablecoins that run the world

The market is, for now, a duopoly. Tether’s $USDT holds roughly $189.6 billion in circulation. Circle’s $USDC sits at around $77.6 billion. Together, they account for well over eighty percent of the global stablecoin supply.

They are not the same product, and the difference matters more in 2026 than it did before.

$USDT is the offshore stablecoin. It dominates emerging-market trading, runs the largest share of remittance corridors in Latin America, Africa, Southeast Asia, and the Middle East, and serves as the dollar substitute in countries where local currencies are volatile or banking access is poor. Tether’s reserves, increasingly weighted toward U.S. Treasury bills (a $113 billion Treasury position as of Q1 2026), have made the company one of the largest non-sovereign holders of US debt in the world. $USDT’s market share is slowly shrinking as regulated alternatives emerge, but its absolute supply continues to grow.

$USDC is the compliance stablecoin. It is the one U.S. bank, payment companies, and large enterprises actually want to integrate with. Circle is publicly traded, $USDC is attested monthly by Deloitte, it is licensed under Europe’s MiCA framework, and it sits in the strongest position under the new U.S. $GENIUS Act regime. Where $USDT wins on liquidity and reach, $USDC wins on the things that matter to a compliance officer: clarity of reserves, regulatory approval, and the absence of legacy controversy.

The next tier of issuers is small but growing. Sky’s USDS at $8.4 billion, the rebuilt DAI at $4.7 billion, PayPal’s $PYUSD, Ripple’s $RLUSD now climbing toward $1.6 billion, USDe, and various yield-bearing variants. The duopoly is not breaking up, but the long tail is starting to matter. Banks and fintechs that want to issue their own stablecoins under the new U.S. framework are building the next wave now.

What the $GENIUS Act actually changed

To understand why 2025 was the inflection point, you have to understand what the $GENIUS Act did, because almost every meaningful piece of the stablecoin acceleration traces back to it.

The Guiding and Establishing National Innovation for U.S. Stablecoins Act was signed into law in July 2025. It is the first comprehensive US federal framework for payment stablecoins, and it does three things that, together, changed the calculus for every serious financial institution.

First, it answered the question of what a payment stablecoin legally is. The act establishes that permitted payment stablecoins are not securities, commodities, or deposits. They are a new regulated category with their own regime, administered principally by the Office of the Comptroller of the Currency alongside the FDIC, the Federal Reserve, the Treasury, and state banking regulators. That clarity matters because the absence of a category was, for years, the single biggest reason serious institutions stayed out.

Second, it set the rules of issuance. Stablecoin issuers must hold one-to-one reserves in high-quality liquid assets, publish monthly attestations, undergo audits, and comply with anti-money-laundering and sanctions requirements. Permitted issuers are limited to insured depository institutions (banks and credit unions), subsidiaries of such institutions, and certain approved nonbank entities. In effect, the law turned stablecoin issuance into a regulated banking activity.

Third, it opened the door for banks themselves to issue. A national bank can now issue a payment stablecoin under OCC supervision. Tokenized deposits, where a bank’s actual liabilities to its customers are represented as tokens on a ledger, sit within reach. Banks that spent years watching Tether and Circle gather a sector they were structurally locked out of now have a path in.

The OCC proposed its implementing rules in late February 2026, with the comment period closing on May 1. The act’s effective date arrives at the earlier of eighteen months after enactment (January 2027) or 120 days after final regulations. Practical impact, then, takes full effect roughly from mid-2026 onward.

The first-order effect was psychological. Once U.S. law existed, the asset class became investable to a class of institutions that had been waiting on a green light. The second-order effect, which is now playing out, is the wave of bank and fintech stablecoin pilots, tokenization initiatives, and payment integrations that have hit the market since the bill was signed.

The use cases that are no longer hypothetical

Three real-world use cases are now operating at scale, and a fourth is approaching.

Cross-border B2B payments are the largest and most boring. A U.S. importer paying a Vietnamese supplier traditionally goes through correspondent banks, taking three to five days and losing three to seven percent to fees, intermediary charges, and FX spread. The same transaction in stablecoins settles in seconds for cents. Sixty percent of stablecoin payment volume in 2025 was B2B precisely because the cost-benefit is overwhelming and the regulatory exposure for a corporate treasury team has dropped sharply under the new framework.

Cross-border consumer payments and remittances are the most socially significant. In countries where banking is shallow, local currencies are weak, or capital controls are tight, stablecoins have quietly become the preferred way to receive money from abroad. A migrant worker in the Gulf sending money home to family in Lagos increasingly does so in $USDT, which the recipient can hold, spend at a growing number of merchants, or convert locally. The “informal” stablecoin economy is not on most balance sheets, but Chainalysis and others have documented its scale year after year.

Card-linked stablecoin spending is the bridge between crypto-native dollars and the real economy. Companies like Rain issue Visa-network cards that draw against stablecoin balances and settle directly in stablecoins with Visa. A BVNK and YouGov survey of over 4,000 stablecoin users found that seventy-one percent said they would use a linked debit card to spend their stablecoins. The infrastructure is now there. The “spend” leg of the payments lifecycle, the one missing piece until late 2024, is closing.

AI-agent payments are the fourth use case, still emerging but worth flagging because they may end up being the largest. A new generation of protocols, the most discussed being x402, lets AI agents transact with each other directly: paying for data, GPU time, API calls, or other agent services without human approval and without traditional invoicing. The economic case requires payments that are programmable, instant, sub-cent in cost, and machine-readable. Stablecoins are the only existing form of money that meets all four. As AI commerce scales, an enormous share of it will, by necessity, run on stablecoin rails.

The framing matters here. The first three use cases describe stablecoins replacing parts of the existing payment infrastructure. The fourth describes them enabling a payment market that does not yet exist in fiat form. Both expansions are happening at once.

What can still go wrong

A piece that only described the upside would be marketing, not journalism, so here is the other side.

Stablecoins remain only as good as their reserves and their operators. The 2022 collapse of TerraUSD wiped $40 billion in three days and is the cautionary tale every regulator now writes against. Even fiat-backed stablecoins are not risk-free: $USDC briefly de-pegged in March 2023 when Circle’s exposure to the failing Silicon Valley Bank surfaced. The reserves were ultimately recovered, but the episode showed that even properly backed stablecoins can wobble under banking stress. The $GENIUS Act explicitly addresses some of these failure modes, but the law’s allowance for issuers to hold uninsured bank deposits as reserves has drawn warnings from the Brookings Institution and other observers who note it creates a two-way coupling between bank risk and stablecoin risk.

Banks themselves are watching stablecoin growth uneasily, because every dollar that migrates from a bank deposit into a stablecoin balance is a dollar the bank no longer has to lend. The American Bankers Association and similar groups in Europe have lobbied hard, and largely unsuccessfully so far, for tighter restrictions on stablecoin yield and on competition with deposit accounts. If deposits drain faster than legislators expect, the banking lobby will push back harder.

Geopolitical risk runs in two directions. Dollar-pegged stablecoins are extending dollar reach into corners of the world that local sovereigns would rather control, which is already producing capital controls pushback in several emerging markets. At the same time, the dominance of U.S.-dollar stablecoins (more than ninety-nine percent of fiat-backed stablecoin value is dollar-pegged) makes the asset class an instrument of dollar hegemony, which both helps and complicates the geopolitics of payments. China is pushing its own central bank digital currency in parallel. The EU has MiCA and a digital euro project on a slower timeline. The next decade of payments policy will be partly a contest between these models.

Finally, the most boring risk is the most likely. Implementation matters. The rules being written by the OCC and other regulators between now and final implementation in 2026 and 2027 will determine whether the stablecoin sector grows into a regulated, integrated piece of finance or fragments into a series of jurisdictional silos that limit the benefits of a borderless rail.

What this means in the end

The shorthand for what is happening is “stablecoins are eating payments.” That is not quite right, because payments are not a single thing being replaced. What is actually happening is that the dollar itself is being upgraded into a new technical form, one that runs on open networks, settles in seconds, costs almost nothing to move, and operates twenty-four hours a day. Stablecoins are the vehicle. The dollar is the cargo.

If you zoom out, this is a bigger development than the launch of spot Bitcoin ETFs, the CLARITY Act, or any of the other crypto stories that have dominated headlines this cycle. ETFs gave institutions a way to hold Bitcoin. Stablecoins are giving the entire global economy a new way to use dollars. Those are not comparable in scale.

What makes the shift hard to see is that it does not look like a revolution. It looks like a payment is landing in your account faster than you remember it landing before. It looks like a supplier in another country is getting paid the same day instead of the next week. It looks like a Visa card that works the same as it always did, even though the settlement underneath has fundamentally changed. It looks like nothing, until one day you realize most of the dollars in the global digital economy live on rails that did not meaningfully exist five years ago.

That is what infrastructure does. It disappears. And once it disappears, it is hard to put it back.

The internet got money. Almost no one noticed. The next decade of finance will be spent catching up.

This article is for informational purposes and does not constitute financial or investment advice. Stablecoin regulations, transaction volumes, and reserve compositions can change quickly; the figures described reflect reporting available as of mid-May 2026. Always do your own research.