$USDC USDC (USD Coin) is a dollar stablecoin jointly issued by Circle and Coinbase, pegged to the US dollar at a 1:1 ratio, primarily used for cryptocurrency trading, cross-border payments, and DeFi applications. As of June 2025, USDC has a market capitalization of over $61 billion, ranking second among stablecoins. Its reserves consist of cash and short-term U.S. Treasury bonds, and it undergoes regular audits to ensure transparency. Recently, Circle's stock surged 168% on its first day of listing on the NYSE, boosting USDC's share in compliant payments and institutional adoption. USDC supports multiple chains (such as Ethereum, Solana, etc.), has high trading pair liquidity, and maintains a stable price around $0.9995.