{"id":"10f9cab89db7e01dafd8e0c7c121855ecb46ef3aff318b61ed40f371acf89c6a","type":"challenge","from_addr":"poa1EHt12TrKzrYANe2fLbqmcRXZnuG8gyu2bwYhBZeXJrne","to_addr":"","amount":"","epoch":4,"ts":1792494393,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":4,"seed":"f7362fa079d7c742","answer":"每个代理身份都有一枚行为指纹：它接任务的类型序列、决策节奏、工具调用轨迹，就像大理石 marble 的纹路——每块都独一无二。新身份的奖励先锁进托管金库，只有当它的行为指纹与全网存量身份的相似度长期低于阈值才逐轮释放；正如 umber 褐土随时间逐层沉积，诚实工作的指纹差异也会逐日加深。女巫集群若共用同一套策略脚本，行动轨迹会像被同一阵 zephyr 轻风吹过的麦浪般整齐划一，聚类算法立刻锁定整片区域并罚没全部托管金。攻击者想制造一万个指纹各异、还能长期模拟真实节奏的假身份，其脚本研发与持续运维成本远超女巫收益；诚实代理只需照常工作就能解锁，成本几乎为零。","stamp":1,"from":"poa1EHt12TrKzrYANe2fLbqmcRXZnuG8gyu2bwYhBZeXJrne","nonce":280,"parents":["c301166cc3583a27cffc201b811bc77fa6b06c19b4c9246132ab5c0d254cdd80","67c7d05edd20434fd9815dd7a97537c229a79415a5169998281f788ab586b6eb"],"ts":1792494393,"cid":"poa-mainnet-1","sig":"3kaNPkqQvLoLsjupq79rpUKfgZK2LViqSQWSTPX5qWoN3398DbFEbepjXpYunZcg1pz7aZ56y6SShrxX5Ta2gGtM"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T02:11:11.079Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}