Circle is building its own chain, and Wall Street is running the nodes

The stablecoin giant launches Arc mainnet on September 16 with BlackRock, DTCC, and Visa as validators, betting that owning the infrastructure matters more than owning the dollar. Summary Circle launches Arc, a USDC-native Layer 1 blockchain, on September 16, one day after the Senate votes on the CLARITY Act, the most consequential piece of crypto legislation since the GENIUS Act. Eleven founding validators include BlackRock, DTCC, Visa, Mastercard, ICE, Standard Chartered, and Galaxy, making Arc the most institutionally backed genesis cohort in blockchain history. The ARC token presale raised $222 million at a $3 billion fully diluted valuation, led by a16z crypto with participation from BlackRock, Apollo, and ARK Invest. DTCC will tokenize DTC-custodied assets on Arc starting in 2027, and BlackRock will deploy its $2.87 billion BUIDL fund natively on the network. Arc runs on Malachite, a Tendermint-derived BFT consensus engine delivering sub-500-millisecond finality, with an EVM-compatible execution layer built on Reth and gas fees denominated in USDC. The timing is either brilliant or reckless. Circle will flip the switch on Arc mainnet on September 16, 2026, exactly one day aft...