NEW YORK–(BUSINESS WIRE)–Circle Internet Group, Inc. (NYSE: CRCL), one of the world’s leading internet financial platform companies, today announced the public mainnet launch of Arc, an open Layer 1 blockchain purpose-built for financial markets, real-time money movement, and agentic economic activity. Arc launches with native integration into Circle’s full-stack platform (including USDC, the world’s largest regulated digital dollar, with more than $74 billion in circulation); a founding vali