Why dollar stablecoins moved beyond exchanges and became a global payment rail

1. Stablecoins differ from volatile cryptoassets

For a business choosing a payment method, predictability matters more than upside potential. An importer owing a supplier $100,000 cannot comfortably accept a payment asset that may move 5% in a day.

Dollar stablecoins generally aim to keep one token equal to one U.S. dollar. Fiat-backed stablecoins with appropriate reserves and redemption arrangements combine the familiar unit of international trade with direct blockchain transfer.

Not every stablecoin is the same. The issuer, reserves, redemption rights, regulatory jurisdiction and technical design must be assessed separately.

2. The dollar was already the currency of global trade

Dollar stablecoins did not win by replacing the dollar. They put an already global currency onto a new transfer system.

The Federal Reserve reports that the dollar represented about 58% of disclosed official reserves in 2024. Historical invoice data put its share at 96% in the Americas, 74% in Asia-Pacific and 79% outside Europe, while its share of SWIFT international payments was about 50%.

The BIS says roughly 98% of stablecoins were dollar-denominated in 2026. Because importers and exporters already price many contracts in dollars, a digital payment instrument naturally formed around the same unit.

Dollar stablecoins did not create a new reserve currency. They made the dollar transferable over the internet without relying only on bank hours and country-specific account systems.

Federal Reserve — The International Role of the U.S. Dollar, 2025 ↗BIS — Stablecoins: framing the debate ↗

3. Payment instruction and value movement share one network

An international bank wire may involve sending, intermediary, correspondent and receiving banks, local payment rails and compliance systems. On a public blockchain, token movement and the transaction record share one network, making the wallet, amount and status visible onchain.

• Transfers during weekends and holidays
• Less dependence on banking hours
• Transaction status after sending
• Cross-border transfer to a wallet address
• Direct connection between payments and software
• Records that can support automation

The BIS recognizes these potential benefits but cautions that end-to-end cost and speed must include on- and off-ramps. A stablecoin route is not automatically cheaper or faster.

BIS Annual Economic Report 2025 — The next-generation monetary and financial system ↗

4. Lower-cost blockchains made payment use practical

Early public blockchains could become expensive and capacity-constrained. Networks including Base, Solana, Polygon, Arbitrum, Stellar, Tron and Ethereum layer 2s expanded the options for lower-cost stablecoin transfers.

Visa reported more than 40 million addresses sending or receiving a stablecoin in July 2025. One address is not necessarily one user, but activity has clearly grown on faster, lower-cost networks.

Technical performance does not by itself create business adoption, but it provides the foundation on which payment services can be built.

Visa — Stablecoins and the future of onchain finance ↗

5. Stablecoins became ‘internet dollars’ where dollar accounts are scarce

Not every business can access an affordable, reliable dollar account. Account restrictions, FX shortages, inflation, conversion controls and weak payment infrastructure create demand for digital dollar value.

A BIS study of 27 fiat currencies from 2021–2025 found that more than 70% of fiat-to-stablecoin conversions originated in non-dollar currencies.

The IMF found that currency depreciation, inflation and constrained FX access helped make dollar stablecoins a meaningful cross-border channel for households and small firms in Nigeria.

The same accessibility can also increase currency substitution, capital-flow and monetary-sovereignty risks.

BIS — Stablecoin flows and spillovers to FX markets ↗IMF — Stablecoins in Nigeria: A Growing Cross-Border Channel ↗

6. On- and off-ramps created an exit from the exchange experience

Senders need a way to convert bank money into stablecoins, and recipients may need to convert them into a bank-account currency. These entry and exit points are on-ramps and off-ramps.

APIs increasingly embed the flow inside payment products without requiring users to trade on an exchange. In 2025 Stripe announced stablecoin balances and ACH, wire, SEPA and blockchain movement for businesses in 101 countries. Visa Direct is piloting fiat-to-wallet payouts and stablecoin prefunding.

• Bank-account connectivity
• Business verification
• Fiat conversion
• Wallet creation
• Fee quotes
• Transaction monitoring
• Accounting records
• Local bank payouts

As this surrounding infrastructure matured, users no longer had to manage an exchange and blockchain directly to use stablecoins as a payment rail.

Stripe — Introducing stablecoins for Treasury in 101 countries ↗Visa Direct — Why stablecoins are opening new doors for cross-border payments ↗

7. The rail can use stablecoins even when the user does not

A customer may pay fiat, a payment provider may settle in USDC, and the recipient may receive local currency. The reverse is also possible: a sender pays USDC while the recipient receives money in a bank account.

Visa said its USDC settlement activity exceeded a $3.5 billion annualized run rate by November 2025 and that initial U.S. bank partners had begun settling with Visa in USDC over Solana. Mastercard also announced stablecoin-wallet payouts with Thunes.

Moving beyond exchanges therefore means more than additional token traders: stablecoins are beginning to operate as a settlement asset inside familiar financial services.

Visa — Stablecoin settlement in the United States ↗Mastercard — Stablecoin payouts with Thunes ↗

8. Regulation shifted from whether to allow stablecoins to how to regulate them

Institutional participation requires rules for reserves, redemption, anti-money laundering, issuer failure and customer protection.

The EU’s MiCA stablecoin provisions began applying on June 30, 2024. In the U.S., the GENIUS Act became law in July 2025, establishing a federal framework for permitted payment-stablecoin issuers, liquid reserves and disclosure.

Regulation does not remove every risk, and national rules still differ. It does, however, make the conditions for financial-institution participation clearer in major markets.

European Banking Authority — Application of MiCA to stablecoins ↗The White House — GENIUS Act signed into law ↗

9. APIs and programmable money fit business payments

Because stablecoins are digital tokens on blockchains, payment instructions and business software can be connected in a single workflow.

• Create a payment request after invoice approval
• Validate the recipient wallet and amount
• Authorized electronic signature
• Batch payments to suppliers
• Automated status tracking
• Link transaction hashes with invoices
• Payment-completion notifications
• Program transaction limits and corridor policies

Programmability does not automatically satisfy internal controls or regulation. It does, however, create meaningful opportunities to automate recurring B2B payments.

Do the numbers really show a payment currency?

Stablecoin volume may include bots, high-frequency trading, exchange movements and smart-contract operations. It should not be treated as real-economy payment volume without adjustment.

Visa measured roughly $33 trillion of total volume over a recent 12-month period and $10.2 trillion after filtering inorganic activity. About 36% of adjusted 2025 volume was still linked to centralized-exchange deposits and withdrawals.

Using a different classification, the BIS estimated about $35 trillion of total 2025 activity but only around $390 billion of payment-related flows. Visa also found transactions of $250 or less represented under 1% of adjusted volume in the 12 months through March 2025.

• Supply and onchain activity have grown rapidly.
• Payments and cross-border movement beyond exchanges are increasing.
• Treating all onchain volume as commerce substantially overstates adoption.
• The clearest use is emerging first in high-value movement and institutional settlement, not retail purchases.

Dollar stablecoins are still closer to a rail for businesses and payment providers moving dollar value across borders than a currency everyone uses to buy coffee.

Visa — Stablecoins and the future of onchain finance ↗BIS — Stablecoins: framing the debate ↗Visa — Making sense of stablecoin transaction volume ↗

Stablecoins are not always cheaper or faster than banks

Comparing blockchain gas with a bank’s wire fee produces the wrong answer. Compare the total cost to both parties and when funds become usable.

If sender and recipient hold and reuse the same dollar stablecoin, they may avoid some conversion costs. If both use local currency, two conversions plus on- and off-ramp fees can cost more than a good bank route.

Stablecoins are more likely to be advantageous when:

• The invoice is already denominated in USD
• Sender or recipient holds or reuses USDC
• The bank route involves multiple intermediaries
• Weekend or holiday payment matters
• The recipient lacks practical dollar-account access
• Tracking and recurring-payment automation matter
• On- and off-ramp pricing is sufficiently low

A bank may be better when

• Both parties have low-cost USD accounts and a direct route
• Negotiated FX and wire pricing is strong
• The recipient cannot accept USDC
• Letters of credit, trade finance or escrow are required
• Off-ramp cost is high or liquidity is weak
• Local rules restrict stablecoin payments

The comparison is not bank fee versus gas fee. It is the final cost and time borne by sender and recipient.

BIS Annual Economic Report 2025 — The next-generation monetary and financial system ↗

Risks businesses must assess

A dollar stablecoin is not the same thing as dollar cash or a bank deposit.

The IMF identifies faster, cheaper payments as a possibility while warning about currency substitution, weaker capital-flow controls, fragmentation and legal uncertainty.

IMF — How Stablecoins Can Improve Payments and Global Finance ↗

Conclusion: stablecoins are becoming a new way to move dollars

Dollar stablecoins moved beyond exchanges for a combination of reasons.

1. They aim to track the dollar.
2. The dollar already anchors global trade.
3. They depend less on borders and banking hours.
4. Lower-cost blockchains emerged.
5. They provide dollar access in underserved markets.
6. On-ramps, off-ramps and business APIs improved.
7. Major payment companies integrated them.
8. U.S. and EU rules became clearer.
9. Payments can connect directly to business software.

Much activity still relates to crypto trading and retail-payment usage remains small, but a meaningful transition has begun.

Dollar stablecoins are becoming a settlement rail that stores and moves dollar value internationally and connects payments among businesses and financial institutions.

The future question is not whether banks or blockchains survive. It is how bank accounts, stablecoins and local rails should be combined in each corridor to achieve compliant, lower-cost and faster settlement.