Arc, the stablecoin-native Layer-1 built by Circle, launched its public mainnet, positioning itself as an "Economic OS for the internet" with USDC as the native gas token and deterministic sub-second finality.

Arc arrives as a full-stack financial platform rather than a bare chain, shipping assets, applications, interoperability, and Circle platform services from day one. It is EVM-compatible and provides infrastructure for lending and borrowing, trading and liquidity, onchain FX, payments and settlement, tokenized assets, and agentic economic workflows, tied together with CCTP, Gateway, CPN, and StableFX. Eleven founding validators, including BlackRock, Visa, Mastercard, DTCC, and ICE, secure the network.

More than 190 institutional and ecosystem teams are already building on Arc, one of the most institutionally backed genesis cohorts the industry has seen, as Circle pushes stablecoins deeper into regulated finance.

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