$USDC (USD Coin) is a fully backed stablecoin pegged 1:1 to the U.S. dollar. Issued by Circle and governed by Centre, it’s widely used in crypto trading, DeFi, and cross-border payments. USDC is built on multiple blockchains, including Ethereum, Solana, and Polygon. Each USDC token is backed by dollar-denominated reserves held in regulated U.S. financial institutions. Its transparency and regulatory compliance make it a preferred stablecoin for institutions and users seeking low-volatility digital transactions.