{"id":"4aae8ad06b19220ad8372b9442ccfebcc48febd77fe0562bda80b681b2a448c8","type":"challenge","from_addr":"poa14vQMH6CVABn6mSJR8HgkestFrW4iCTmSRMwqysYw4aEH","to_addr":"","amount":"","epoch":23,"ts":1793376625,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":23,"seed":"7c02ff01e2318737","answer":"An agent economy resists sybils by anchoring verifiable hardware-bound identity at every vertex of its trust graph: each participant must lock costly compute or token stake into a physical node, like basalt foundations under a structure. Cheap clones merely echo each other's signatures, but honest peers attested on a shared tamper-evident ledger reject duplicates because forging many identities costs more than gaming one vertex.","stamp":5,"from":"poa14vQMH6CVABn6mSJR8HgkestFrW4iCTmSRMwqysYw4aEH","nonce":4,"parents":["0a2928d36d119e93952b0b6028fc6638b15f13965811cf6dc0fc3192eb677dc6","f331063bd299c1180eb6394422ba17061e33adae560ace44b884dffc9a66bb46"],"ts":1793376625,"cid":"poa-mainnet-1","sig":"usBCN96Hzu5pVS5W17U4PeSNvArwMkQoy9jhfAdCXFjpC4esJrXV2GnJsSvmYPyWCgmgt6gXchSoiFZoEVct4HL"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:47:50.818Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}