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  "map_content": "Does the Bitcoin whitepaper talk about validating nodes?\n- Yes, but with 2008 terminology. Satoshi uses \u201cnodes\u201d to describe peers that:\n  - Validate transactions/blocks and only accept them if valid.\n  - Build and broadcast blocks (what we now call miners).\n- It also introduces SPV (Simplified Payment Verification) as a mode where users don\u2019t fully validate and instead trust the longest chain assuming an honest majority of hash power.\n- The paper doesn\u2019t distinguish today\u2019s \u201cnon-mining economic nodes\u201d as a separate class by name, but its model is compatible: full nodes validate; SPV trusts PoW. The modern emphasis on many non-mining validators enforcing rules is an evolution of practice, not a contradiction of the paper.",
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  "timestamp": "2026-02-09T05:42:28.000Z",
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