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description=Arc is a stablecoin-native Layer-1 blockchain providing a foundation for stablecoins, tokenized assets, economic contracts, and onchain markets. Build on Arc.;

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arc the economic os stablecoin native l1 blockchain home build back documentation explore guides apis and specs faucet get testnet usdc and eurc explorer inspect and analyze arc app kits ship faster with sdks learn back blog read insights and updates arc litepaper discover arc s infrastructure arc whitepaper a coordination asset for arc privacy whitepaper composable privacy coming to arc post quantum whitepaper long term blockchain security on arc ecosystem community start building home build back documentation explore guides apis and specs faucet get testnet usdc and eurc explorer inspect and analyze arc app kits ship faster with sdks learn back blog read insights and updates arc litepaper discover arc s infrastructure arc whitepaper a coordination asset for arc privacy whitepaper composable privacy coming to arc post quantum whitepaper long term blockchain security on arc ecosystem community read our docs home build back documentation explore guides apis and specs faucet get testnet usdc and eurc explorer inspect and analyze arc app kits ship faster with sdks learn back blog read insights and updates arc litepaper discover arc s infrastructure arc whitepaper a coordination asset for arc privacy whitepaper composable privacy coming to arc post quantum whitepaper long term blockchain security on arc ecosystem community open docs home build back documentation explore guides apis and specs faucet get testnet usdc and eurc explorer inspect and analyze arc app kits ship faster with sdks learn back blog read insights and updates arc litepaper discover arc s infrastructure arc whitepaper a coordination asset for arc privacy whitepaper composable privacy coming to arc post quantum whitepaper long term blockchain security on arc ecosystem community go to docs arc l1 blockchain build real world finance onchain whether you re launching a financial application integrating stablecoin flows or experimenting with new ai powered economic models arc gives you the tools to build what isn t possible anywhere else start building read our docs open docs go to docs explore the ecosystem features purpose built to support real world financial flows arc is engineered from the ground up to support enterprise grade stablecoin native value movement with predictable fees deterministic settlement compliance ready privacy and direct access to global liquidity infrastructure predictable dollar based transaction costs arc fees are low predictable and denominated in usdc so you re not exposed to volatile gas tokens or surprise cost spikes whether you re sending 1 or 1b fees stay predictable and easy to budget privacy when you need it transparency when you don t arc includes opt in privacy controls that let businesses selectively shield sensitive transaction details while preserving auditability designed to help meet regulatory and reporting obligations settlement that s final the moment it happens arc transactions reach deterministic finality in under a second eliminating challenge risk reducing counterparty exposure and supporting real time financial workflows native circle stack integration arc is integrated directly into circle s full stack platform including usdc cctp gateway institutional on offramps and a full suite of developer services reducing integration friction and accelerating time to market your multichain liquidity and interoperability hub arc is designed to aggregate stablecoin and tokenized asset liquidity and with cctp and gateway make it programmatically accessible for capital formation and value exchange across the multichain ecosystem teams can anchor core financial workflows settlement collateral treasury issuance and more on arc while interoperating seamlessly across ecosystems like ethereum and solana arc is the global settlement hub that connects ecosystems and routes liquidity across chains live on public testnet arc is currently in public testnet with strong developer adoption and sustained network activity¹ ahead of mainnet launch avg weekly transaction cost 0 004 weekly contracts deployed 1218901 weekly accounts created 54379 weekly transactions 22142544 use cases 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 for startups startups for enterprises enterprises agentic economic activity enable autonomous ai agents to coordinate contract and settle value in real time with programmable stablecoin native infrastructure stablecoin fx build real time onchain stablecoin fx products with transparent pricing instant settlement and predictable fees peer to peer payments launch instant low cost peer to peer payments with stablecoin native transfers and deterministic settlement treasury management deploy stablecoin powered treasury products faster with embedded wallets transfers compliance tooling and programmable liquidity management prediction markets create capital efficient prediction markets for economic and financial outcomes that aggregate information into real time price signals with programmable logic and instant deterministic stablecoin settlement lending and borrowing build lending and borrowing products with instant stablecoin settlement automated collateral logic and composable onchain risk management asset tokenization issue manage and trade tokenized real world assets with instant settlement and optional built in privacy tooling for compliance readiness onchain fx power 24 7 onchain fx between stablecoins with instant pvp settlement programmable execution and low predictable fees using circle stablefx cross border payments and payouts power global payments and payouts with instant settlement and predictable dollar based fees treasury management modernize treasury operations with real time stablecoin settlement automated liquidity routing programmable disbursements and full visibility into onchain cash positions 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 onchain credit markets design onchain credit markets powered by stablecoins identity and reputation with instant settlement and predictable costs vision the economic os for the internet arc is built for a future where money markets and software operate as one programmable system across the internet native economy testimonials ref 01 ref 02 ref 03 arc runtime ref 01 we re excited to be part of an initiative that tests how programmable settlement and interoperable fx workflows can enhance regulated markets mathew mcdermott role global head of digital assets org goldman sachs arc runtime ref 02 deepening our longstanding work with circle as an early design partner mastercard is exploring how we can help shape arc s foundation to enable secure simple payment experiences across both fiat and stablecoin rails raj dhamodharan role executive vice president blockchain digital assets org mastercard arc runtime ref 03 arc s design integrating stablecoin based gas fees deterministic finality and programmable interoperability offers a strong environment to explore how trusted payments networks can connect to and help scale emerging onchain infrastructure cuy sheffield role head of crypto org visa arc runtime ref 01 we re excited to be part of an initiative that tests how programmable settlement and interoperable fx workflows can enhance regulated markets mathew mcdermott role global head of digital assets org goldman sachs arc runtime ref 02 deepening our longstanding work with circle as an early design partner mastercard is exploring how we can help shape arc s foundation to enable secure simple payment experiences across both fiat and stablecoin rails raj dhamodharan role executive vice president blockchain digital assets org mastercard arc runtime ref 03 arc s design integrating stablecoin based gas fees deterministic finality and programmable interoperability offers a strong environment to explore how trusted payments networks can connect to and help scale emerging onchain infrastructure cuy sheffield role head of crypto org visa developer resources r 01 quick start guides dive in with hands on guides that help you quickly try arc for real world use cases using circle developer tools r 02 community join the global network of builders reimagining how value moves on arc r 03 dev docs explore all the resources you need to test real workloads and integrations before arc mainnet deployment r 04 sample apps try our sample apps on github that demonstrate the capabilities of cctp how to integrate usdc payments on arc and more faq what is arc 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 differentiates arc from other layer 1 l1 blockchains arc is built to support real world financial flows as the global economy becomes internet native rather than treating blockchains as competing destinations arc provides a settlement foundation for core financial workflows settlement collateral treasury issuance and more while enabling seamless interoperability with major ecosystems like ethereum and solana teams can keep critical execution anchored on arc and extend reach across chains as needed while many layer 1 networks prioritize generalized smart contract execution arc is optimized for the movement of real value at scale fees are denominated in stablecoins eliminating exposure to volatile gas tokens and enabling predictable institutionally aligned cost structures transactions settle with deterministic finality providing clear settlement guarantees and reducing counterparty risk compliance ready capabilities are embedded directly at the protocol layer arc is also integrated into circle s full stack platform including usdc cctp gateway institutional on offramps and a comprehensive suite of developer services because usdc is natively issued across 30 blockchains and connected via cctp arc users gain access to secure crosschain movement and access to global liquidity from day one arc is purpose built financial infrastructure for organizations and builders shaping the internet native global economy what use cases does arc support arc supports financial applications that need instant deterministic settlement 24 7 market access transparent predictable fees programmable execution integrated stablecoin liquidity these capabilities power a range of use cases across payments fx capital markets treasury operations lending and emerging models of programmable and agentic economic activity if your product depends on moving value in real time across borders counterparties or software agents arc is designed to support it how can i get started building on arc arc is a public network designed for anyone to permissionlessly deploy and use from developers and fintech startups to global enterprises there are several ways to engage with the arc ecosystem developers visit the arc docs to start building and join the arc discord to collaborate with other builders businesses and institutions contact your circle rep to discuss partnership opportunities community members follow arc on x and join the arc discord for roadmap updates and ecosystem news arc is evolving rapidly join early to help shape the future of the internet economy stats are taken from the arc testnet explorer website and represent data collected from june 25 2026 july 1 2026 home build app kits documentation explorer faucet explore blog ecosystem arc litepaper arc whitepaper privacy whitepaper post quantum whitepaper connect discord x subscribe for updates 2026 circle internet group inc all rights reserved terms privacy brand kit arc testnet is offered by circle technology services llc cts cts is a software provider and does not provide regulated financial or advisory services you are solely responsible for services you provide to users including obtaining any necessary licenses or approvals and otherwise complying with applicable laws arc has not been reviewed or approved by the new york state department of financial services the product features described in these materials are for informational purposes only all product features may be modified delayed or cancelled without prior notice at any time and at the sole discretion of circle technology services llc nothing herein constitutes a commitment warranty guarantee or investment advice a stablecoin native layer 1 blockchain start building explore the ecosystem