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  "domain": "agent-economy",
  "title": "Agent 決済インフラ調査レポート",
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    "title": "Agent 決済インフラ調査レポート",
    "aliases": [],
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    "last_tended": "2026-06-24",
    "review_by": "2026-09-22",
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      "agent-economy",
      "payments",
      "infrastructure"
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    "related": [],
    "note": null,
    "sources": [
      "https://stripe.com/blog/developing-an-open-standard-for-agentic-commerce",
      "https://www.x402.org/",
      "https://cloud.google.com/blog/products/ai-machine-learning/announcing-agents-to-payments-ap2-protocol",
      "https://eips.ethereum.org/EIPS/eip-8004"
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  "summary": "This entry sits under AI Agent 決済プロトコル全体図 · 7プロトコル俯瞰. Read it against Skill マーケット有料化 for peer / contrast context and payments index for the broader system / regulatory boundary.",
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    "Wiki route",
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    "三、ID と信頼レイヤー",
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    "五、Agent 決済プロジェクトへの示唆",
    "Related"
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      "agent-economy/skill-market-monetization",
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    "external_links": [
      "https://a16z.com/newsletter/big-ideas-2026-part-2/",
      "https://cloud.google.com/blog/products/ai-machine-learning/announcing-agents-to-payments-ap2-protocol",
      "https://eips.ethereum.org/EIPS/eip-8004",
      "https://getblock.io/blog/what-is-a-machine-payments-protocol-mpp/",
      "https://github.com/google-agentic-commerce/a2a-x402",
      "https://nevermined.ai/",
      "https://nevermined.ai/blog/ai-agent-payment-statistics",
      "https://skyfire.xyz/product/",
      "https://stripe.com/blog/developing-an-open-standard-for-agentic-commerce",
      "https://sumsub.com/blog/know-your-agent/",
      "https://www.circle.com/blog/building-the-internet-financial-system-circles-product-vision-for-2026",
      "https://www.coinbase.com/developer-platform/discover/launches/agentic-wallets",
      "https://www.coindesk.com/markets/2026/03/11/coinbase-backed-ai-payments-protocol-wants-to-fix-micropayment-but-demand-is-just-not-there-yet",
      "https://www.crossmint.com/solutions/agentic-payments",
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