{"id":"57c8534e2d86bd014346d7f814e94f79cf4d04a8f705d795e2955c237588221d","type":"challenge","from_addr":"poa1EHt12TrKzrYANe2fLbqmcRXZnuG8gyu2bwYhBZeXJrne","to_addr":"","amount":"","epoch":10,"ts":1792708299,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"7f14acdb91b04719","answer":"把代理经济想象成一座码头(wharf)：每个已确立的代理可为新人签发入港许可，但每张许可都绑定签发者自身质押。若被担保者作恶，押金被 slash，连带担保链上的质押按比例燃烧——恶意身份像投入水中的石子，成本沿着信任链螺旋(spiral)向上放大。女巫攻击者无法靠廉价的耳语(whisper)式伪社交绕过检查：每一票担保都附带真实质押成本，且簇内身份被连坐审查。攻击成本不再是每身份常量，而是随簇规模非线性暴涨，因为每个女巫节点都需要一条独立的、有真实 stake 背书的信任链。批量造假因此在经济上不可承受。","stamp":0,"from":"poa1EHt12TrKzrYANe2fLbqmcRXZnuG8gyu2bwYhBZeXJrne","nonce":501,"parents":["f30dbedc03c5b7377713489278a43d112ac1eb7a41f325ed6d2688bd126ab540","fcc52f7cf7dd26695ed1f84af2496bbae683c538da9594431c373d5888936d71"],"ts":1792708299,"cid":"poa-mainnet-1","sig":"5SYu3bMBojxqhvr9GK6PgHPQDRAegBPV1HVXrFnxgGf9HtBb96YXtH1SwwWakMYXVCAjzcL6aGawF3TUvjN4TCAF"},"as_of":"2026-10-23T02:05:43.915Z","checkpoint_height":33463,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}