USDC (USD Coin) is a digital stablecoin pegged to the US dollar at a 1:1 ratio, backed by cash and liquid securities. It offers transparency through regular audits, enabling instant cross-border transfers with minimal fees and no intermediaries, making it vital for traders and decentralized finance. With a market cap over $50 billion, USDC is a leading stablecoin, providing stability and liquidity in the cryptocurrency ecosystem.