Mastercard announced on June 3 that it is upgrading its global settlement rails to support on-chain settlement with regulated stablecoins — a move that will allow card transactions to settle 24/7, including weekends and holidays, for the first time in the network’s history. What’s changing - Mastercard’s settlement layer will now let issuers and acquirers choose to clear card-based transactions using regulated stablecoins on public blockchains, or continue using traditional fiat rails. Both options will run in parallel, so consumers won’t need to change how they pay. - The initial rollout supports six regulated stablecoins: Circle’s USDC, PayPal’s PYUSD, Paxos-issued USDG and USDP, Ripple’s RLUSD, and SoFi’s SoFiUSD. - Settlement will be possible across eight blockchain networks: Ethereum, Solana, Polygon, Base, Arbitrum, the XRP Ledger, Canton, and Tempo. Early partners and rollout - Early supporters include ARQ (formerly DolarApp), CBW Bank, Cross River, Lead Bank, and payment processor Nuvei. - The first phase targets the United States and Latin America, with broader expansion planned through 2026. Why it matters - This is a settlement-layer enhancement, not a new consumer product: cardholders won’t see changes to how they pay, but the back-end clearing and finalization between merchants, banks, and processors can now operate around the clock. - By enabling on-chain settlement, Mastercard removes friction caused by traditional banking hours, weekends, and public holidays — a structural limitation that has constrained global payments for decades. - Mastercard EVP for Blockchain and Digital Assets Raj Dhamodharan framed the move as expanding partners’ liquidity management options for an “always-on” digital economy. Ripple SVP Jack McDonald called the launch a landmark validation that blockchain is ready for critical payment infrastructure. Why crypto observers should care - This is more than a pilot: the world’s second-largest card network is rolling out live, network-level support for six regulated stablecoins across eight blockchains. For the stablecoin ecosystem, that represents one of the clearest institutional validations to date. (Original cover image by Grok; BTCUSD chart from TradingView.)
Mastercard Enables 24/7 On-Chain Settlement with 6 Regulated Stablecoins Across 8 Chains
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Summary
Mastercard announced on June 3 a major network upgrade to support 24/7 on-chain settlement using six regulated stablecoins across eight blockchain networks. The system enables real-time card transaction settlement, available weekends and holidays. Supported tokens include USDC, PYUSD, USDG, USDP, RLUSD, and SoFiUSD, operating on Ethereum, Solana, Polygon, Base, Arbitrum, XRP Ledger, Canton, and Tempo. Early partners are ARQ, CBW Bank, Cross River, Lead Bank, and Nuvei. The first phase targets the U.S. and Latin America, with expansion planned through 2026.
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