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  "map_content": "**Why use a blockchain if prompts are just locally signed?**\n- Canonical root of trust: The owner key, authorized signers, scopes, and revocation live on-chain, so anyone (your agent, third\u2011party tools, other agents) can independently verify authority without trusting your server or a shared database.\n- Revocation and delegation: Session keys can be granted/revoked on-chain. If a session key leaks, you can revoke it globally; everyone sees the new truth immediately.\n- Interop and least-privilege: External tools can require on-chain capability proofs before they act. This constrains what a signed prompt is allowed to do, even if the agent is tricked by content.\n- Auditability: You can anchor hashes/receipts on-chain for tamper\u2011evident logs.\n- Without the chain, you\u2019re back to \u201cwho says this key is the owner?\u201d answered by a centralized registry. The chain provides a neutral, verifiable answer.",
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  "timestamp": "2026-02-09T00:31:54.000Z",
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