$USDC Circle’s USDC is rapidly gaining mainstream traction. It surged to a record $60 billion market cap in March 2025—doubling from a year earlier—and now holds about 29% of all stablecoins, across chains like Ethereum and Solana fnlondon.com+14reddit.com+14tradingview.com+14. Regulatory milestones have propelled its growth: the U.S. Senate passed the bipartisan GENIUS Act to require full-reserve audits, and Japan, Dubai, and the EU’s MiCA regime have approved USDC for official use investors.com. Coinbase and Circle’s new stablecoin payment infrastructure (e.g. on Shopify) reinforced confidence, pushing Circle and Coinbase shares up ~16‑20% investors.com+1markets.businessinsider.com+1. With robust adoption, transparency, and regulatory compliance, USDC is shaping the future of digital-dollar finance.