Mastercard announced June 3, 2026 expansion of settlement capabilities to include intraday, weekend, and holiday card settlement using regulated stablecoins USDC, PYUSD, USDG, USDP, RLUSD, and SoFiUSD across Ethereum, Solana, Polygon, Base, Arbitrum, Canton, Tempo, and XRPL. Early adopters include ARQ, CBW Bank, Cross River, Lead Bank, and Nuvei in the US and Latin America.