$USDC USDC (USD Coin) is a fully-backed stablecoin pegged to the U.S. dollar, designed to maintain a 1:1 value with USD. Issued by Circle and governed by the Centre Consortium, USDC operates on multiple blockchains, including Ethereum, Solana, and Polygon, enabling fast, low-cost transactions across decentralized and centralized platforms. Each USDC is backed by cash or short-term U.S. government bonds, with reserves regularly audited to ensure transparency and trust. Widely used in DeFi, cross-border payments, and trading, USDC has become a vital bridge between traditional finance and the digital asset economy, offering stability without sacrificing blockchain utility.