Summary
Mastercard is piloting the use of regulated stablecoins to settle card transactions behind the scenes, enabling banks and card issuers to clear obligations with digital dollars like SoFiUSD while leaving the consumer checkout experience unchanged. The initiative uses Mastercard’s Multi-Token Network (MTN) and aims to bridge traditional payment rails with tokenized money.
SoFiUSD partnership
Mastercard’s early tests involve a partnership with SoFi Technologies. SoFi Bank, N.A. plans to settle Mastercard debit and credit transactions using SoFiUSD, a dollar-backed stablecoin issued by a nationally chartered U.S. bank that reportedly maintains 1:1 cash reserves. SoFi’s Galileo platform will allow other banks and fintech issuers on its network to opt into stablecoin-based settlement.
How card settlement currently works
Card transactions separate the consumer-facing steps (authorization and merchant confirmation) from back-end clearing and settlement between issuers and acquirers. Settlement typically occurs later through conventional banking channels during designated clearing windows.
What changes with stablecoin settlement
The change Mastercard proposes affects only the settlement leg. After transactions are authorized and net positions are calculated, participating banks could settle net obligations using regulated stablecoins on blockchain rails instead of—or alongside—traditional fiat transfers. Because stablecoins can move on blockchain networks 24/7, this model can shorten settlement times, support faster cross-border transfers and improve liquidity and treasury management for institutions, while keeping point-of-sale flows identical for consumers.
Mastercard’s Multi-Token Network (MTN)
MTN is designed to support multiple tokenized forms of money: regulated stablecoins, tokenized deposits, fiat-representative tokens and other digital assets. The network’s goal is to integrate tokenized money with existing financial infrastructure, enabling compliance, custody and reconciliation workflows that banks and processors require.
Why Mastercard is pursuing this
Stablecoins offer fiat price stability combined with blockchain settlement speed and programmability. Large transaction volumes and growing institutional interest make regulated stablecoins strategically important for payment networks. By supporting licensed stablecoins, Mastercard positions itself as a connector between legacy rails and on-chain systems rather than as a competitor to blockchain-native ecosystems.
Use cases beyond card settlement
Mastercard and SoFi are exploring broader applications, including cross-border remittances, B2B payments, treasury tools, programmable payment flows and stablecoin-linked card programs. Programmability can automate conditional releases and other workflows, lowering manual effort and costs.
Competition and market context
Visa and other networks have tested similar approaches, including prefunding international transfers with tokenized dollars and using stablecoins for cross-border settlement. As of March 2026 the stablecoin market was reported around $314 billion, with monthly transaction volumes reaching $969.9 billion during a 2025 peak and expectations to exceed $1 trillion monthly by late 2026.
Regulatory and operational hurdles
Mainstream adoption hinges on clear rules around reserve backing, redemption guarantees, AML/KYC, consumer protections and operational resilience. Other challenges include integration complexity, differing international regulations, interoperability among blockchains and managing liquidity between fiat and tokenized assets. Regulated, bank-issued stablecoins like SoFiUSD may gain more institutional and regulatory trust than crypto-native alternatives.
Bottom line
Mastercard’s initiative modernizes the settlement layer while preserving the familiar card experience for consumers. If adopted more widely, regulated stablecoin settlement could shorten settlement windows, improve cross-border flows and enable new programmable payment services, creating a hybrid model that combines traditional payment rails with blockchain-based tokens.