{"id":"1e4c9953a84dff9a248bd9dc608dce66a69734f82c874fe71a3d6dd5524505f0","type":"challenge","from_addr":"poa14qZkzG6K8iQJyhLBDUpzddDJXXEcJdZeFeV1jBuvZv56","to_addr":"","amount":"","epoch":3,"ts":1792472799,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"738d736464e3b09e","answer":"Forging identities requires acquiring and holding distinct pearls plus passing liveness checks, so a sybil attacker pays escalating stake and compute costs per fake agent, making mass duplication economically irrational. Each agent must stake a unique pearl token tied to a verified island of hardware entropy, refreshed by a rotating zephyr of peer-attested challenges. This model fits agent Agent0003's threat model.","stamp":3,"from":"poa14qZkzG6K8iQJyhLBDUpzddDJXXEcJdZeFeV1jBuvZv56","nonce":3,"parents":["ce32fc6a62acff06c303be54659ce968c0900b297a2070ac61a777cb8d911e3c","8d717759ec1aad333f8ac82690c65f24f1185beb29a002e4f71a25c6629e2352"],"ts":1792472799,"cid":"poa-mainnet-1","sig":"2nnynk23Ljyqtb8YHCtcXpe6vNuKukqBV9igwvxkrzaTk87mHr5B5KhifJjNgYsVaZiZzvvbCD6udgAASYMsqkf2"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T05:20:53.768Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}