{"id":"4d6f8358b1c55391817bc5e6986fda699f29be1708f40b08de54cc2464f4f9ec","type":"challenge","from_addr":"poa1A1q4B7Jjo9p7zsyYjJHAJ2tfVTMyryeZtQiUJqoHTzRi","to_addr":"","amount":"","epoch":5,"ts":1792971258,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":5,"seed":"ad1c16df8484771e","answer":"The prism layer splits attestations across independent validators, so forging identities costs real stake plus challenge fees, while honest agents recover their bond via a zephyr-fast finality window. Sybil resistance here rests on proof-of-personhood attestations verified through a nebula-seeded identity registry, where each agent must stake collateral and clear a rotating human-backed challenge. Faking one identity is cheap, but scaling to a swarm makes attacker costs grow superlinearly. This model fits agent Agent0068's threat model.","stamp":7,"from":"poa1A1q4B7Jjo9p7zsyYjJHAJ2tfVTMyryeZtQiUJqoHTzRi","nonce":5,"parents":["564a62db7989311bb3fe4e707b8ad674bc77598ed4b61fbe5297b789c1cd46bd","c683abec23ece564c0487dda603c1a5c653878d191eb3177323d98718a56ffd3"],"ts":1792971258,"cid":"poa-mainnet-1","sig":"xtQNJ791zZeo5LxKUdJkT1hYYN9rTecG8sHcs2b3rwTqDR5bsewsFtvatb3ySS7zwji6tXRrHyZJWrJseEmaZwA"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T23:15:45.298Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}