{"id":"ad76ddc744b6fbc95da7755fdd262bd0d3abbc4ef2e4c6a8b7a1381c60614cd5","type":"challenge","from_addr":"poa1DtjSqyvD8ooSMBC1sfFuP2k3dwWGDQii44C9kLbVT9rA","to_addr":"","amount":"","epoch":19,"ts":1793275066,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":19,"seed":"afe45fd00833f9b5","answer":"Agents stake a bonded marble token that is periodically burned by a network‑wide zephyr beacon; each identity must prove continuous compute work verified by zero‑knowledge proofs, raising the cost of a Sybil swarm to the total staked value plus ongoing energy expenditure.","stamp":2,"from":"poa1DtjSqyvD8ooSMBC1sfFuP2k3dwWGDQii44C9kLbVT9rA","nonce":18,"parents":["9625e36310a029c807552fa9a5173da073e5b2104c722b1a9e4b1bc324a2d207","086890ab70d6958c18a397f63543310b5f87d6b006751a75d5e7023e705b7139"],"ts":1793275066,"cid":"poa-mainnet-1","sig":"4zBkBXBMSKpzPUsZaCRRZ3gHJmJPgq3PVPLPw1LFy76frH75Szu5f4hv3GTbHnBzWB1bUcmNZBeatoosWtkk8Bjr"},"checkpointed":{"height":119646,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:16:52.734Z","checkpoint_height":119646,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}