$USDC USDC (USD Coin) is a fully backed, regulated stablecoin pegged 1:1 to the U.S. dollar. Issued by Circle and governed by Centre (a consortium including Coinbase), USDC is built on multiple blockchains like Ethereum, Solana, and Avalanche. It's widely used for trading, remittances, DeFi, and payments due to its transparency and regular audits. Each USDC token is backed by equivalent cash or short-term U.S. Treasuries held in reserve. Unlike volatile cryptocurrencies, USDC offers price stability, making it a trusted digital dollar alternative. It plays a key role in bridging traditional finance and crypto, enabling fast, low-cost global transactions.