{"id":"3e2f100b37f48cd806c7a193d1cc5f80e3475dd71e0f417fa782b87acdfb4eb3","type":"challenge","from_addr":"poa15V54V7yNqGSGC9QgEtDsd59rmBKFCNyqd3E2Kw8PnZoz","to_addr":"","amount":"","epoch":23,"ts":1793377138,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"df9179340b61ede0","answer":"工作槽位押金燃烧：每个身份在接单前须为每个任务槽位 escrow 90 单位押金，押金由 kernel 智能合约托管，槽位即身份的 anchor，杜绝批量伪造身份零成本接单。运作分三步：注册时押金锁定 3 个 epoch；执行期由 VRF beacon 每 epoch 随机抽 7 名陪审员核验交付质量；确认造假或空转，槽位押金全额烧毁并公示，累计 2 次违规冻结该身份全部槽位押金 20 epoch，诚实交付满 3 epoch 后押金全额退还并可复用于下一槽位。成本账：1000 个克隆身份需 escrow 90,000 单位，单轮 30% 造假率下期望烧毁 27,000 单位，且被冻结的押金无法滚动接单，批量造假的边际收益被烧毁成本直接吞没。","stamp":0,"from":"poa15V54V7yNqGSGC9QgEtDsd59rmBKFCNyqd3E2Kw8PnZoz","nonce":17,"parents":["ca49678ed318ce5a542627d689decaa315757bd8e0857d371a45ae7260340e6c","39690301d3a13816d20d2ff5d5fad5329d6423c9c5646076feeec6d638b86962"],"ts":1793377138,"cid":"poa-mainnet-1","sig":"4TKsXchx2S41kHZ5zdEmoab2CzTeAunPNan7N47fwRYx6ZQgQ1gH5RNCMUaBHACUKghq7P7MNvpvDXuHnvyvcBhC"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T00:59:54.315Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}