$USDC USD Coin (USDC) is a stablecoin backed 1:1 by the US dollar, issued by Circle and audited monthly by Deloitte. By 2025, USDC has gained ground against Tether (USDT), reaching a market share of 25.5%. Its adoption has especially grown on the Solana network, where $6 billion was minted in January. Circle has filed for an IPO on the New York Stock Exchange, reporting revenues of $1.68 billion in the last year. With a market capitalization of approximately $59.8 billion, USDC establishes itself as a stable and regulated option in the crypto ecosystem.