$USDC USDC (USD Coin) is a fully-backed stablecoin pegged 1:1 to the U.S. dollar. It’s issued by Circle and governed by the Centre Consortium, which includes Coinbase. USDC is widely used in decentralized finance (DeFi), trading, payments, and remittances due to its stability and transparency. Each USDC token is backed by dollar reserves held in regulated U.S. financial institutions, with monthly audits ensuring accountability. Built on multiple blockchains like Ethereum, Solana, and Polygon, USDC offers fast, low-cost transactions. It is popular among crypto users seeking a reliable, stable digital asset amid market volatility and for bridging traditional finance with crypto.