Arc
ClaimArc is an open Layer-1 blockchain platform built for financial applications, stablecoin settlement, and programmable economic activity on the internet.
Key numbers · TVL $354M · per DefiLlama · updated Sep 22
Overview
Arc provides a Layer-1 blockchain network with sub-second finality and dollar-based fees, designed for enterprises, startups, and individuals building financial applications. Its products include Arc Network (the settlement layer), Arc Portal (an ecosystem interface for wallets, swaps, and lending), and Arc Studio (a tool that generates frontends, backends, and smart contracts from a described concept).
Recent activity
Arc's deterministic finality confirms transactions in under a second.
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StableFX offers 24/7 settlement with aggregated RFQ pricing and atomic PvP settlement.
Now offers Digital Asset-Backed Borrowing (DABB) for eligible Circle Mint LLC customers using cirBTC collateral
Pimlico works as a bundler on Arc testnet for sponsored transactions
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Supports standard EntryPoint contracts at both v0.6 and v0.7 for account abstraction
Runs a Bug Bounty offering payouts up to $1 million for vulnerabilities across Arc's chain, protocol, and product surfaces
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Wants production-grade Arc apps to apply for milestone-based Developer Grants
Wants category-defining companies to submit investor decks for Arc Builders Fund and Circle Ventures Investor Network
Wants early-stage builders to apply for Microgrants for prototypes and experiments
Now supports Circle Wrapped Bitcoin (cirBTC) live on Arc Portal for swaps.
Earlier
Studio can be driven as a subagent from Claude Code, Codex, and Cursor.
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Launches Arc Studio, an AI coding agent that generates full-stack onchain apps from prompts.
Studio apps can be tested across 9 blockchains including Arbitrum, Arc, Avalanche, Base, Ethereum, Monad, OP Mainnet, Polygon, Unichain.
Studio integrates Circle's stablecoin infrastructure including CCTP, Contracts, Gateway, and Wallets.
Studio offers access to composable protocols Aave, Morpho, and Uniswap for builders.
Launches cirBTC, Circle's programmable Bitcoin, natively on Arc, convertible 1:1 from BTC, cbBTC, or wBTC.
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Now includes founding validator cohort with BlackRock, DTCC, Galaxy, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered, Sumitomo, Visa, and Worldpay.
Now supports interoperability with 20+ blockchains through Circle CCTP and Gateway.
Now supports fiat stablecoins including USDC, EURC, AUDD, BRLA, JPYC, KRW1, and others.
Uses USDC as native gas token, with 18 decimals native vs 6 decimals ERC-20.
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Supports existing EVM apps via Solidity, JSON-RPC, EIP-1559, secp256k1 without new programming model.
Offers Arc Foundry, an Arc-enabled Foundry fork with arc-forge, arc-cast, and arc-anvil for local testing.
Emits EIP-7708 Transfer events from a system emitter for every native USDC movement on Arc.
Previews Arc Privacy, an opt-in confidential smart contract engine for private transactions and contracts.
Crossmint supports stablecoin apps and the agentic economy on Arc.
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SELAT uses Circle Gateway to make Arc the home treasury for every agent.
Earn Kit keeps USDC in Arc apps productive with Morpho Vaults.
Arc Mainnet went live on September 16, 2026.
Now supports Interop on Arc for crosschain liquidity.
Partnered with Uniswap to bring deep liquidity for apps on Arc
Arc partners with Goldsky to bring real-time onchain data to Arc.
Announced Founding Validator Cohort and major integrations ahead of September 16 mainnet launch.
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Launched Arc Mainnet on September 16, 2026
Announced Founding Validator Cohort and major integrations on August 5, 2026
Launched Arc Public Testnet on October 28, 2025 with over 100 launch and design participants
