What is stablecoin settlement?

Stablecoin settlement is the use of stablecoins, crypto tokens pegged to a currency such as the US dollar, to move the money that payment companies owe each other after transactions. Settlement is the step where banks and card networks actually move funds after card payments, and here it happens on a blockchain instead of only through bank wires.

What does stablecoin settlement mean for a card payment?

For the shopper, nothing visible changes. Visa says its USDC settlement leaves the cardholder experience the same. The change sits between institutions. A card issuer, the bank behind your card, owes the network for purchases, and the network owes acquirers, the firms that serve merchants. These obligations are usually settled in regular currency on banking days. Stablecoin settlement lets participants pay or receive some of those amounts in stablecoins instead.

This is different from paying a shop in crypto, covered in how businesses accept crypto payments, and from spending a stablecoin balance through a card, covered in how crypto cards work.

How does Visa stablecoin settlement work?

On December 16, 2025, Visa said US issuers and acquirers could settle their VisaNet obligations in Circle's USDC. Cross River Bank and Lead Bank were the first, settling over the Solana blockchain, with wider US access planned through 2026. Visa first tested USDC settlement in 2021.

The volume has grown fast. Visa put its annualized run rate at $3.5 billion as of November 30, 2025, then $7 billion in April 2026 when its pilot covered nine blockchains, The Block reported. In September 2026 Visa said it had passed $20 billion, more than 15 times the level a year earlier.

How does Mastercard stablecoin settlement work?

In August 2025, Mastercard and Circle said acquirers in Eastern Europe, the Middle East and Africa could receive settlement in USDC and EURC and use it to pay merchants. Arab Financial Services and Eazy Financial Services were named as the first.

On June 3, 2026, Mastercard said it would let issuers and acquirers settle with regulated stablecoins, including USDC, PYUSD, USDG, USDP, RLUSD and SoFiUSD, on networks including Ethereum, Solana, Base, Polygon, Arbitrum and the XRP Ledger. Early support is expected in the US and Latin America, with partners such as Cross River, Lead Bank and Nuvei. Mastercard said its existing fraud and dispute processes stay in place.

What is a stablecoin settlement layer, and how fast is settlement?

A settlement layer is the system where final payment is recorded. In this case that is the blockchain the stablecoin moves on. Visa says it plans to use Arc, a layer 1 blockchain built by Circle, and will run a validator on it once it goes live. Visa and Mastercard also list Tempo and Canton among supported networks.

The main time difference is the calendar. Visa says stablecoin settlement runs in seven-day windows, including weekends and holidays, instead of the usual five business days. Mastercard is adding intraday and weekend options for the same reason. How long each blockchain transfer takes is a separate question, covered in how long a crypto transfer takes.