Arc is an open Layer-1 blockchain purpose-built to unite programmable money and onchain innovation with real-world economic activity. Engineered for mass adoption, Arc features predictable dollar-based fees using stablecoins as gas, opt-in configurable privacy that supports compliance obligations, and direct integration with Circle's full-stack platform for secure access to liquidity and powerful developer tooling. This makes Arc uniquely suited for use cases like lending, capital markets, FX, and payments.

What use cases does Arc support?

Arc is an open EVM-compatible network capable of supporting a wide variety of use cases. Some of the key economic activity we envision Arc being suitable for includes: Onchain credit with offchain trust, Capital markets settlement and tokenized collateral, Stablecoin FX, Agentic commerce, Cross-border payments and payouts. By combining blockchain efficiency with institutional standards, Arc empowers businesses to innovate safely on a trusted, neutral foundation.

How can I get started building on Arc?

Arc is a public network open to anyone to permissionlessly deploy and use — from developers and fintech startups to global enterprises. Developers can visit the Arc docs to start building and join the Arc Discord to collaborate with other Architects. Businesses and institutions can contact their Circle rep to discuss partnership opportunities. Community members can follow @Arc on X and join the Arc Discord for roadmap updates and ecosystem news.

{ARC}

The Economic OS for the internet

Arc is an open L1 blockchain designed to unite programmable money and onchain innovation with real-world economic activity.

Explore the ecosystem

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Purpose-built to increase economic velocity

Arc combines the efficiencies of blockchain with traditional finance must-haves to power onchain lending, capital markets, FX, and payments.

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Stablecoins as native gas

Arc’s gas fees are low, predictable, and fiat-based, starting with USDC — enabling seamless, cost-effective transactions whether you’re sending $1 or $1B.

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Opt-in configurable privacy

Native privacy tooling enables businesses and users to selectively shield sensitive financial data while preserving auditability to help remain compliant with relevant obligations.

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Deterministic sub-second finality

Arc delivers instant settlement finality to serve the most demanding enterprise use cases and supports institutional regulatory standards for settlements¹ — powered by Malachite, a highly performant BFT consensus engine.

Global liquidity hub

Arc is designed to aggregate stablecoin and tokenized asset liquidity and, with CCTP and Gateway, make it composable for capital formation and value exchange across the multichain ecosystem.²

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Real economic activity unleashed on Arc

Arc is purpose-built for the next generation of financial and commercial applications with the performance, predictability, and institutional readiness today’s markets demand.

Onchain credit markets

Design onchain credit markets powered by stablecoins, identity, and reputation — with instant settlement and predictable costs.

Capital markets settlement and collateral

Arc’s sub-second finality and stablecoin-backed collateral support high-frequency trading, real-time risk, and efficient capital usage.

Agentic commerce

Power agent-to-agent commerce with fast, deterministic settlement and stablecoin-native payments.

Asset tokenization

Issue, manage, and trade tokenized real-world assets with instant settlement and optional, built-in privacy tooling for compliance readiness.

Cross-border payments and payouts

Power global payments and payouts with instant settlement and predictable, dollar-based fees.

Onchain FX

Power 24/7 onchain FX between stablecoins with instant PvP settlement, programmable execution, and low, predictable fees.

Build on open infrastructure for open markets

Arc is enterprise-grade network infrastructure that delivers the performance, reliability, and liquidity needed to meet the demands of the global internet economy. Come build with us on Arc.

FAQ

The Principles for Financial Market Infrastructures (PFMI), Principle 8, states that Financial Market Infrastructure (FMI) should provide clear and certain final settlement — preferably intraday or in real time.
Circle CCTP and Circle Gateway support a range of blockchains.