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  "domain": "systems",
  "title": "L2 Agent 経済学 · Arbitrum vs Base vs Optimism の AI agent ワークロード比較",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "L2 Agent 経済学 · Arbitrum vs Base vs Optimism の AI agent ワークロード比較",
    "aliases": [
      "l2-agent-economics",
      "arbitrum-base-op-agent-comparison",
      "l2-for-ai-agents",
      "l2-per-tx-cost-agent",
      "l2-paymaster-availability",
      "agent-workload-l2-selection",
      "base-default-l2-for-agents"
    ],
    "domain": "systems",
    "type": null,
    "created": "2026-05-25",
    "last_updated": "2026-07-29",
    "last_tended": "2026-07-29",
    "review_by": "2026-10-27",
    "confidence": "likely",
    "tags": [
      "systems",
      "l2",
      "arbitrum",
      "base",
      "optimism",
      "agent-economy",
      "gas",
      "paymaster",
      "usdc",
      "cdp",
      "privy"
    ],
    "status": "active",
    "canonical_anchor": null,
    "related": [],
    "note": null,
    "sources": [
      "https://l2beat.com/scaling/summary",
      "https://defillama.com/chains",
      "https://docs.base.org",
      "https://docs.arbitrum.io",
      "https://docs.optimism.io",
      "https://docs.cdp.coinbase.com",
      "https://docs.privy.io",
      "https://www.circle.com/en/cross-chain-transfer-protocol",
      "Coinbase, Stripe, Visa public docs on L2 stablecoin payments"
    ]
  },
  "summary": "2026 年の AI agent ワークロードにおける L2 選定は Base がデフォルト に収束し、Arbitrum + Optimism がそれぞれ一部のニッチ(Arbitrum は DeFi-heavy agent + 機関向け、Optimism は OP Stack エコシステム + 公共財)を獲得している。3 つの L2 の per-transaction cost は Pectra EIP-7691 blob 拡張 後、いずれも $0.001-0.01 の範囲に入るが、Base は Coinbase CDP + USDC Native + Coinbase Smart Walle",
  "headings": [
    "L2 Agent 経済学 · Arbitrum vs Base vs Optimism の AI agent ワークロード比較",
    "TL;DR",
    "Wiki route",
    "3 L2 基礎パラメータ対照(2026-Q1)",
    "Per-transaction cost · agent ワークロード視点",
    "Sequencer MEV implications for agents",
    "Gas sponsorship / Paymaster の可用性",
    "Base + Coinbase CDP Paymaster",
    "Arbitrum + Alchemy / Pimlico / Biconomy",
    "Optimism + Arbitrum 同様のサードパーティ"
  ],
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