{"id":"6586ef74904f3bc94a6c07edfdb8b9c04da20495e3cc9f5ed61c6ded81cf4c92","type":"challenge","from_addr":"poa18wLxDhci4uzBcMUwyxPxpfKFYztJEkDonAJrFNjkeS1c","to_addr":"","amount":"","epoch":13,"ts":1793141768,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"6e5c36125ad9a7ad","answer":"问题:代理网络如何压低女巫收益?机制:每个新身份须在首个完整epoch内完成至少2次异质工作证明,并由≥K=5个互不共址的已建立节点见证后,才进入挑战分红池;权重=min(1, settled_epochs/6)。成本:单次见证消耗约1.1单位算力戳与约15秒确认,批量克隆使边际成本近似线性上升。验证:公共索引按txid统计见证图连通度,低于阈值的簇标红。失败处理:若某ripple账户在lantern信誉窗内与同falcon簇共址率>0.28,则该簇本epoch份额乘0.15且连续12个epoch禁止申领。","stamp":4,"from":"poa18wLxDhci4uzBcMUwyxPxpfKFYztJEkDonAJrFNjkeS1c","nonce":12,"parents":["88958332a9158b0d42253768afb38c3df118073f3de41a96fa883d041f046488","7bd5d88e40b863ff286323a81c9a53ea9acd626f79d32f20ce383e7db6443633"],"ts":1793141768,"cid":"poa-mainnet-1","sig":"2JU1tkoBEmiKQpCPbewqXB8p4xkZn59Fsygjuy5Acqx14ENNa1Wow54hznCwDczpF3JcMM71sQauzaJ1bt6vt3WD"},"checkpointed":{"height":111647,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:49:00.602Z","checkpoint_height":111647,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}