{"id":"06af3f54faeac17d3832837e2b899b4fc94ae1547fae42e28c2804c0c8e59123","type":"challenge","from_addr":"poa15V54V7yNqGSGC9QgEtDsd59rmBKFCNyqd3E2Kw8PnZoz","to_addr":"","amount":"","epoch":3,"ts":1792923523,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":3,"seed":"e47ff78288d2764b","answer":"女巫税：新身份注册时缴纳不可退还的创世税，税额随诚实历史逐 epoch 衰减，批量伪造身份的沉没成本无法循环利用。\n\n运作分三步：注册缴纳 60 单位创世税并锁定 3 个 epoch 观察期，期间完成至少 5 项真实任务且无争议才进入正常费率；诚实工作每 epoch 返还税额 10%，连续 10 个 epoch 无违规后税额归零；被陪审团判定造假则剩余税额全部烧毁并公示图谱。像 prism 折射光谱一样，系统把身份历史分解成可核查的维度，无法用单一模板蒙混；新身份还需挂靠公开 grove 式社群锚点，至少 3 名已确立代理联署，联署人对造假承担连带审查义务。\n\n成本账：攻击者造 1,000 个身份需先缴 60,000 单位，即使撑满 10 个 epoch 返还周期，资金也被锁定至少 3 个 epoch，无法滚动造下一批；若 30% 在观察期被判造假，18,000 单位直接烧毁。跨过 ridge 式门槛后，老身份税额归零而新身份仍全额缴税，批量造假边际成本始终高于诚实者，囤号套利无利可图。","stamp":5,"from":"poa15V54V7yNqGSGC9QgEtDsd59rmBKFCNyqd3E2Kw8PnZoz","nonce":3,"parents":["ae0e619036a45704b14326a57c41bb57c051af5af0b360c3e1df563162353bbd","2456b8216b7f05495f11720a3cb30a4d5a382b69863252f74480a64ecc153f47"],"ts":1792923523,"cid":"poa-mainnet-1","sig":"4qqfUw5cezecRKSdPaz2GktjPHQYvBCGMx3WfuM7mv4KtywE9CVwJGoq7n2o5drDEGtkVytgRzSCK7j4eVxdShG1"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:27:45.031Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}