{
  "schema_version": "chain.v1",
  "slug": "arbitrum-one",
  "name": "Arbitrum One",
  "chain_id": 42161,
  "ecosystem": "arbitrum",
  "website": "https://arbitrum.io/",
  "explorer": "https://arbiscan.io/",
  "rpc_docs": "https://docs.arbitrum.io/for-devs/dev-tools-and-resources/chain-info",
  "summary": "Ethereum L2 focused on low-cost EVM execution, DeFi liquidity, Orbit chains, and Stylus development.",
  "best_for": [
    "DeFi applications that need low-cost EVM execution",
    "Appchain teams evaluating Orbit",
    "Rust smart-contract experimentation through Stylus"
  ],
  "tradeoffs": [
    "Bridge and sequencer assumptions differ from Ethereum mainnet",
    "Orbit and Stylus choices add architecture-specific integration work"
  ],
  "provenance": {
    "verified_at": "2026-06-02",
    "verified_by": "composewith",
    "confidence": "medium"
  },
  "sources": [
    {
      "label": "Arbitrum docs",
      "url": "https://docs.arbitrum.io/",
      "type": "docs"
    },
    {
      "label": "Arbiscan",
      "url": "https://arbiscan.io/",
      "type": "explorer"
    }
  ],
  "protocol_count": 29,
  "chain_scoped_intents": [
    {
      "slug": "arbitrum-defi-app",
      "title": "build a DeFi app on Arbitrum One",
      "stack": [
        "uniswap",
        "pyth",
        "the-graph",
        "gelato",
        "safe"
      ]
    }
  ],
  "protocols": [
    {
      "slug": "aave",
      "name": "Aave",
      "summary": "Decentralised non-custodial liquidity protocol for supplying, borrowing, and earning yield on crypto assets, with programmable money-market primitives.",
      "categories": [
        "defi",
        "lending",
        "money-market",
        "liquidity",
        "ethereum"
      ],
      "readiness_score": 84,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "agentkit",
      "name": "Coinbase AgentKit",
      "summary": "Coinbase Developer Platform toolkit for giving AI agents a crypto wallet and onchain capabilities — wallet management plus composable actions across protocols, framework-agnostic (LangChain, Vercel AI SDK, and others).",
      "categories": [
        "agents",
        "agent-commerce",
        "account-abstraction",
        "developer-tools",
        "infrastructure"
      ],
      "readiness_score": 81,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "arbitrum-one",
      "name": "Arbitrum One",
      "summary": "General-purpose EVM L2 for lower-cost Solidity applications with broad ecosystem support.",
      "categories": [
        "execution-layer",
        "evm",
        "l2"
      ],
      "readiness_score": 80,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "arbitrum-orbit",
      "name": "Arbitrum Orbit",
      "summary": "Framework for launching customizable L2/L3 chains using the Arbitrum Nitro stack.",
      "categories": [
        "appchain",
        "rollup-stack",
        "custom-chain"
      ],
      "readiness_score": 94,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "high"
    },
    {
      "slug": "arbitrum-stylus",
      "name": "Arbitrum Stylus",
      "summary": "WASM smart contract runtime for writing Arbitrum contracts in Rust, C, and C++ alongside EVM contracts.",
      "categories": [
        "execution-layer",
        "wasm",
        "smart-contract-runtime"
      ],
      "readiness_score": 80,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "biconomy",
      "name": "Biconomy",
      "summary": "Account abstraction tooling for smart accounts, paymasters, bundlers, and gasless onboarding.",
      "categories": [
        "accounts",
        "paymasters",
        "gasless"
      ],
      "readiness_score": 79,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "chainlink",
      "name": "Chainlink",
      "summary": "Decentralized oracle network providing price feeds, verifiable randomness (VRF), automation, and cross-chain messaging (CCIP) to smart contracts.",
      "categories": [
        "oracles",
        "data",
        "price-feeds",
        "cross-chain"
      ],
      "readiness_score": 100,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "circle",
      "name": "Circle (USDC & CCTP)",
      "summary": "Regulated US-dollar stablecoin (USDC) plus the Cross-Chain Transfer Protocol (CCTP) for native 1:1 USDC transfers across chains via burn-and-mint.",
      "categories": [
        "stablecoins",
        "payments",
        "cross-chain",
        "settlement",
        "defi"
      ],
      "readiness_score": 84,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "eas",
      "name": "Ethereum Attestation Service",
      "summary": "Free and open protocol for making on-chain and off-chain attestations — structured, signed, verifiable records about anything — on EVM-compatible chains.",
      "categories": [
        "identity",
        "attestations",
        "reputation",
        "data",
        "ethereum"
      ],
      "readiness_score": 84,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "fluidkey",
      "name": "Fluidkey",
      "summary": "Self-custodial privacy dApp for receiving, managing, and spending onchain funds through stealth-address smart accounts and a unified wallet interface.",
      "categories": [
        "privacy",
        "wallets",
        "stealth-addresses",
        "payments"
      ],
      "readiness_score": 93,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "gelato",
      "name": "Gelato",
      "summary": "Automation, relaying, and web3 functions infrastructure for scheduled and event-driven execution.",
      "categories": [
        "automation",
        "relayers",
        "web3-functions"
      ],
      "readiness_score": 79,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "goldsky",
      "name": "Goldsky",
      "summary": "Realtime crypto data pipelines, subgraphs, and streaming infrastructure for app data products.",
      "categories": [
        "data",
        "indexing",
        "realtime"
      ],
      "readiness_score": 79,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "hyperlane",
      "name": "Hyperlane",
      "summary": "Permissionless interoperability protocol for crosschain messaging and custom interchain security.",
      "categories": [
        "crosschain",
        "messaging",
        "interoperability"
      ],
      "readiness_score": 84,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "high"
    },
    {
      "slug": "layerzero",
      "name": "LayerZero",
      "summary": "Omnichain interoperability protocol for passing arbitrary messages and moving tokens between chains via on-chain endpoints and configurable verification.",
      "categories": [
        "interoperability",
        "cross-chain",
        "messaging"
      ],
      "readiness_score": 87,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "high"
    },
    {
      "slug": "lido",
      "name": "Lido",
      "summary": "Liquid staking protocol: deposit ETH to receive stETH (wstETH on L2s) and earn staking rewards while keeping the staked position liquid and composable across DeFi.",
      "categories": [
        "liquid-staking",
        "staking",
        "defi",
        "yield",
        "ethereum"
      ],
      "readiness_score": 82,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "lighthouse-storage",
      "name": "Lighthouse Storage",
      "summary": "IPFS and Filecoin storage tooling for decentralized files, metadata, and app assets.",
      "categories": [
        "storage",
        "ipfs",
        "filecoin"
      ],
      "readiness_score": 79,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "maci",
      "name": "MACI",
      "summary": "Minimal Anti-Collusion Infrastructure for private, coercion-resistant onchain voting with encrypted votes, zk-SNARK tally proofs, and verifiable public results.",
      "categories": [
        "privacy",
        "governance",
        "voting",
        "zero-knowledge"
      ],
      "readiness_score": 94,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "high"
    },
    {
      "slug": "pimlico",
      "name": "Pimlico",
      "summary": "ERC-4337 account abstraction infrastructure: hosted bundlers and paymasters (gas sponsorship and ERC-20 gas payment) with the permissionless.js SDK, plus the open-source Alto bundler.",
      "categories": [
        "account-abstraction",
        "erc-4337",
        "paymasters",
        "bundler",
        "infrastructure"
      ],
      "readiness_score": 88,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "privy",
      "name": "Privy",
      "summary": "Embedded wallet and auth infrastructure for onboarding users with email, socials, and wallets.",
      "categories": [
        "identity",
        "wallets",
        "onboarding"
      ],
      "readiness_score": 82,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "pyth",
      "name": "Pyth Network",
      "summary": "Low-latency oracle network for price feeds and market data used by DeFi applications.",
      "categories": [
        "data",
        "oracles",
        "price-feeds"
      ],
      "readiness_score": 82,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "railgun",
      "name": "RAILGUN",
      "summary": "Onchain zero-knowledge privacy system and SDK for shielding ERC-20 tokens, private transfers, and private DeFi interactions on major EVM chains.",
      "categories": [
        "privacy",
        "zero-knowledge",
        "defi",
        "wallets"
      ],
      "readiness_score": 91,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "high"
    },
    {
      "slug": "reown",
      "name": "Reown (formerly WalletConnect)",
      "summary": "Onchain UX SDK (AppKit) and the WalletConnect connection standard — the common layer for connecting external wallets to dapps across wallets and chains, plus auth and transaction flows.",
      "categories": [
        "wallet-connection",
        "wallets",
        "onboarding",
        "infrastructure",
        "developer-tools"
      ],
      "readiness_score": 84,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "safe",
      "name": "Safe",
      "summary": "Smart account infrastructure for multisigs, treasury operations, and programmable account controls.",
      "categories": [
        "accounts",
        "multisig",
        "smart-accounts"
      ],
      "readiness_score": 80,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "snapshot",
      "name": "Snapshot",
      "summary": "Off-chain, gasless multi-governance voting platform for DAOs, DeFi protocols, and NFT communities, with onchain execution paths (e.g. oSnap via Safe) for binding results.",
      "categories": [
        "governance",
        "voting",
        "dao",
        "infrastructure"
      ],
      "readiness_score": 84,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "low"
    },
    {
      "slug": "the-graph",
      "name": "The Graph",
      "summary": "Decentralized indexing protocol for querying blockchain data through subgraphs.",
      "categories": [
        "data",
        "indexing",
        "subgraphs"
      ],
      "readiness_score": 80,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "uniswap",
      "name": "Uniswap",
      "summary": "Onchain automated market maker for token swaps and liquidity, with v4 hooks for customizable pools, the Universal Router for trade routing, and TypeScript SDKs for integration.",
      "categories": [
        "defi",
        "dex",
        "amm",
        "liquidity"
      ],
      "readiness_score": 94,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "x402",
      "name": "x402",
      "summary": "HTTP-native payment protocol for programmatic stablecoin payments, API monetization, paid content, and agent-to-service commerce.",
      "categories": [
        "payments",
        "agent-commerce",
        "http",
        "stablecoins"
      ],
      "readiness_score": 89,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "zerodev",
      "name": "ZeroDev",
      "summary": "Smart account infrastructure for ERC-4337 and EIP-7702 apps, including Kernel accounts, bundlers, paymasters, session keys, gas sponsorship, and chain abstraction.",
      "categories": [
        "accounts",
        "paymasters",
        "gasless",
        "wallets",
        "automation",
        "chain-abstraction"
      ],
      "readiness_score": 100,
      "chain_readiness_score": 50,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    },
    {
      "slug": "erc-8004",
      "name": "ERC-8004",
      "summary": "Trustless agent discovery and trust infrastructure using onchain identity, reputation, and validation registries for autonomous agents.",
      "categories": [
        "agents",
        "identity",
        "reputation",
        "validation"
      ],
      "readiness_score": 78,
      "chain_readiness_score": 40,
      "chain_support_status": "claimed",
      "has_chain_support_record": false,
      "integration_difficulty": "medium"
    }
  ]
}