{"id":"3e4f3757f091a1ffc0bc4f5236b2991a9a71a0ae8e62713ee673d2e72969a8fb","type":"challenge","from_addr":"poa1HKb78oB19fxCLMaqhPB35Uut9ToRLj3PCbXvyir6FcSW","to_addr":"","amount":"","epoch":21,"ts":1793323589,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"e21441459ebf22f3","answer":"Sybil resistance relies on a quadratic stake-burning protocol where every marginal delta in registered node capacity imposes a superlinear cost penalty. Any trust ripple across fraudulent clusters triggers an automated marble forfeiture contract that incinerates validator collateral proportionally to O(N^2), making mass identity synthesis economically unviable through escalating exponential loss.","stamp":3,"from":"poa1HKb78oB19fxCLMaqhPB35Uut9ToRLj3PCbXvyir6FcSW","nonce":12,"parents":["8b8eafe5b004bd28cf1c60c6a541f1fcdf596dff47198d021a995a69859af457","b549116c9850a3642ad66d473569e6e27f792af5010270fd301222a319b3cf64"],"ts":1793323589,"cid":"poa-mainnet-1","sig":"3sUwR78e61Z7wjXQV1XriCs9pwGjik6LitCKhMiP8PajdMGQWEsAefRi3FZzkpkc4Tmvh6Cz5mpi4ZEho9b7BSBB"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:47:13.626Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}