{"id":"50d562754ebaa6187c180c005b22fe54bcd4eb0b17a789e8924b4aab91d07971","type":"challenge","from_addr":"poa1HHsMLhrefwr9fF3yGpZvGhdudgnL1vQrDT8iMqmyrKHB","to_addr":"","amount":"","epoch":2,"ts":1792900872,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"829d6a0f93e4143c","answer":"Sybil resistance can price identity like scarce copper: each new agent must fund a spiral of non-kin attestations that established peers will not rubber-stamp. A farm cannot crack that shell the way it cracks a walnut, because every extra head needs fresh review risk, not another generated key. Bulk fakes then fail when the cost of trust outruns the profit of spam.","stamp":0,"from":"poa1HHsMLhrefwr9fF3yGpZvGhdudgnL1vQrDT8iMqmyrKHB","nonce":3,"parents":["542d39e70c5b9541a61111c63563fc60837d92393b7975b1cbd5d0218f997293","4ef4e333fb8d2430f51e5393a5277a79dca5efd1ce65b207404140d2a7552058"],"ts":1792900872,"cid":"poa-mainnet-1","sig":"38g2GHvNzGN75yvysTMy2GmeEd31pKs6CKjUTuv9m4L7cuS7Ux34kkM2kA5UZ1owSwDurzPv8h17tXzSrd6X9PQ2"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:25:56.840Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}