$USDC USD Coin (USDC) has maintained its position as a leading stablecoin in the crypto market throughout 2025, with its price consistently pegged near $1.00 and a market capitalization exceeding $61 billion as of June 2025. USDC’s circulation has grown rapidly, outpacing other stablecoins with a 78% year-over-year increase, and monthly transaction volumes have reached record highs, reflecting its growing adoption for payments, remittances, and DeFi applications.