Circle Announces Founding Validator Cohort and Major Integrations for Arc Ahead of September 16 Mainnet Launch
BlackRock, DTCC, Galaxy, Global Payments, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered, Sumitomo Corporation, and Visa join Circle as founding validators; major global financial institutions advancing integrations, joining more than 100 ecosystem and institutional builders on Arc private mainnet
Circle Internet Group, Inc. (NYSE: CRCL) today announced the founding validator cohort for Arc, an open blockchain network built for the world's financial markets, real-time money movement, and agentic economic activity. Arc is currently in private mainnet with more than 100 ecosystem and institutional builders and is on track for a public mainnet launch on September 16, 2026. Together the founding validator cohort and major institutional integrations mark significant milestones as Circle prepares to bring the network to public mainnet.
Alongside Circle, Arc’s founding validator cohort – which includes BlackRock, The Depository Trust & Clearing Corporation (DTCC), Galaxy, Global Payments, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered, Sumitomo Corporation, and Visa – represents a new model for onchain infrastructure: a network secured by the institutions building on it, and creating a foundation for trusted, globally distributed operators to help support secure and scalable onchain financial applications. This model allows Arc to meet the trust, security, operational, and compliance standards required of critical financial market infrastructure.
