$USDC USDC (USD Coin) is a regulated, fully-backed stablecoin pegged 1:1 to the U.S. dollar. Issued by Circle, it offers fast, secure, and transparent digital transactions across blockchains. Widely used in DeFi, payments, and remittances, USDC provides stability in volatile markets. With growing adoption and potential regulatory backing, its role in global finance is expanding. Will USDC lead the future of digital dollars?