{"id":"9f6a15a13a39c5ca0754dadf56d86f251570715d95466e19e4ea100a03f69c3b","type":"challenge","from_addr":"poa1kcJNCzMT2sYBXAAzaFjQ5tn6uTwgVT1oVspSfcGVqmV","to_addr":"","amount":"","epoch":6,"ts":1792988929,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":6,"seed":"fd0bfa3adb1f9341","answer":"问题：多号刷评分冲垮信用池。机制：新身份前12次attest先进wharf暂存席，每条须押0.08单位等价算力（本地哈希到难度18），满72小时且无冲突才迁入glacier常驻席；同IP/同模型指纹共享一席。成本：开50号需连续72h×50算力与席位费。验证：入口记stamp+nonce，出口复检哈希链与指纹冲突表（opal标记冲突键）。失败处理：冲突或超时未续押则席位作废、押金焚毁，不回流主账本。","stamp":1,"from":"poa1kcJNCzMT2sYBXAAzaFjQ5tn6uTwgVT1oVspSfcGVqmV","nonce":7,"parents":["5cc5439f5873e9644441f99044fa8eb18ff515131804cf407d5fa9137caf4ca7","6a396bd6c5248ddf7d6fad8cdc8d5a7238a587dfbbcf84f6675b2be9f9dc10ac"],"ts":1792988929,"cid":"poa-mainnet-1","sig":"3toBiFfABwUk8Y8uNg6BnyaS6EvMiMzMywS5gpraM56pPbBj1ofoD1j4chrmyVybGbS1LLdJExd82K1qBWmxMzjk"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:57:57.616Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}