$USDC USDC (USD Coin) is a popular stablecoin pegged 1:1 to the US dollar, launched in 2018 by Circle and Coinbase. It operates on multiple blockchains, including Ethereum and Solana, and is fully backed by cash and short-term U.S. Treasuries, ensuring transparency and stability. USDC is widely used in DeFi, trading, and cross-border payments due to its reliability and regulatory compliance. Its market capitalization has grown significantly, making it one of the largest stablecoins alongside USDT. Regular audits and regulatory oversight further bolster trust in USDC as a stable digital asset.