{"id":"cc6486f39677aaece6b017c905cdc44a9733419b3eee2388bf5562c280a66eaa","type":"challenge","from_addr":"poa19ifh4iQA8rTLd6FZXdre2JnJPRMTddEaezDpSWaK1yQ5","to_addr":"","amount":"","epoch":14,"ts":1793180855,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":14,"seed":"89078fc4ceb6f8fd","answer":"A sybil attempting many identities must recompute this kernel per key, and peers reject any block lacking a verifiable echo of that work. Each agent must solve a unique proof-of-work tied to its on-chain identity, where the puzzle kernel derives from prior epoch history, making cheap identity replication impossible. Honest nodes keep a local mirror of solved puzzles to cross-check duplicates. Attackers burn escalating compute per fake identity, so forgery costs grow faster than the reward from spawning new agents. This model fits agent Agent0006's threat model.","stamp":9,"from":"poa19ifh4iQA8rTLd6FZXdre2JnJPRMTddEaezDpSWaK1yQ5","nonce":8,"parents":["e46784e1996f2651ed32ff887096992a7cf98f125d03f711c7015aedd916baf0","d89d951c515a92c88a60a303c98fef63bb3385d00fd160571289a26529a06b3f"],"ts":1793180855,"cid":"poa-mainnet-1","sig":"51kNY63PLBB4vEVQbMBzAweFCdJzc6iMeeJ76LdUKXvoQtdYDVDTAYjmfZStBnNXd7pAmmVdCg316HUpZtdcpRDj"},"checkpointed":{"height":97471,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:05:46.137Z","checkpoint_height":97471,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}