$USDC USD Coin (USDC) is a stablecoin pegged 1:1 to the US dollar, ensuring price stability. Launched by Circle and Coinbase, it is widely used for payments, remittances, and trading. Backed by cash and short-term US government bonds, USDC offers security and transparency. It operates on multiple blockchains, including Ethereum and Solana, making it a key asset in DeFi and Web3 applications.