Chainlink expands to Arc mainnet and MOVA Chain as institutional blockchain adoption accelerates

Chainlink has extended its core services to two new networks: Arc, Circle’s institutional layer-1 blockchain, and MOVA Chain, a DeFi-focused network that adopted Chainlink’s Cross-Chain Interoperability Protocol in July 2026. The timing matters. Arc’s mainnet launched on September 16, 2026, with Chainlink’s infrastructure already running underneath it before the first block was finalized. What Chainlink actually deployed, and where Chainlink rolled out its services on Arc in stages. Data Feeds went live on Arc mainnet on September 9, giving the network reliable price oracle coverage before its official launch. Data Streams followed on September 15, adding low-latency market data suited for more complex financial applications. CCIP, Chainlink’s cross-chain messaging layer, activated on Arc’s mainnet the same day the network itself launched, September 16. Arc is not a typical public blockchain. Circle built it as a permissioned layer-1 designed for institutional use, and the validator network includes BlackRock, Visa, Mastercard, DTCC, and ICE. Gas fees on Arc are paid in USDC rather than a native volatile token. MOVA Chain’s adoption of CCIP, which went live in July 2026, addresses ...