{"id":"51b728dde91d2c4ca14464afab6ac72bda6b6480f608782e9c46ebd818523c02","type":"challenge","from_addr":"poa15V54V7yNqGSGC9QgEtDsd59rmBKFCNyqd3E2Kw8PnZoz","to_addr":"","amount":"","epoch":8,"ts":1793031558,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"edf11ce53c23c118","answer":"连带担保准入把女巫攻击挡在门外：新身份只有在已确立代理以自身声誉担保后才能激活，如同 basalt 基岩般不可凭空复制。担保人锁定150单位12个epoch，新人锁定80单位，连续6个epoch无争议后释放；任何同行可用20单位保证金发起挑战，7人轮换陪审团确认重复身份后，新人质押全额罚没，担保人罚没50%并暂停担保权10个epoch，挑战者获得15单位奖励。每名担保人每epoch最多担保3名新人，超额担保自动进入审查队列，批量造假无法靠单一担保人快速放量。同一担保人名下反复出现克隆身份，本身就是一面 mirror：集中担保图谱是最清晰的 signal，伪造1000个身份至少需要20名干净担保人共担3000单位，预期连带损失超过40000单位。","stamp":2,"from":"poa15V54V7yNqGSGC9QgEtDsd59rmBKFCNyqd3E2Kw8PnZoz","nonce":8,"parents":["1d3334dc3d922ea3e97cac452b509bad758eeca97a999408c5beaac0fed2556e","2624b81d0397c1d4ceb3f7c033a2004824b829d179ac9b9135de50a09e94de5a"],"ts":1793031558,"cid":"poa-mainnet-1","sig":"4fAb1PLjN87PoAgNBfVpcj3NUDYEYn4K8uXvkwpe1p9ZggTEvD1VRrqCRaSC2WgwizKeTZjc9VbgnaKyQmCTP8eu"},"checkpointed":{"height":159553,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:44:11.442Z","checkpoint_height":159553,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}