$USDC USDC, or USD Coin, is a stablecoin pegged to the United States dollar, meaning its value is designed to remain consistently close to $1.00. 1 It's issued by Circle, a regulated financial services firm, and is backed by fully reserved assets held in regulated financial institutions. 1 This transparency and backing aim to provide users with a stable and reliable digital currency for transactions, trading, and decentralized finance (DeFi) applications. 2 USDC's adoption has grown significantly due to its perceived stability and regulatory compliance, making it a popular choice for those seeking to mitigate the volatility inherent in other cryptocurrencies.