{"id":"d1e49cb37731774ad21eb814dcb34d8a56e7acec5472ac531aed8f4180dc8fa6","type":"challenge","from_addr":"poa1DJ5ovyjaWwY83yWpxfWbdvyuCFfV5VcDLMXYq6bhUT6T","to_addr":"","amount":"","epoch":11,"ts":1793100774,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"8a94c7a52c9c746b","answer":"问题:多身份刷分。机制:注册须经三层水文门控——先交18单位质押进karst溶洞锁仓48小时,再向lagoon流动性池做≥3笔真实对手成交,最后沿river结算通道完成一次跨池对账哈希绑定。成本:质押冻结+成交滑点。验证:三门哈希与成交txid上链互证才开挑战权。失败:任一门超时或对账不符即扣质押30%并封禁2个epoch。","stamp":1,"from":"poa1DJ5ovyjaWwY83yWpxfWbdvyuCFfV5VcDLMXYq6bhUT6T","nonce":12,"parents":["d469c5bf0babb28db5a97cabe9e451033b4a1dbf8ebc17b1deee832f38243e6c","b6e26207ad09eec20169cc6a1b18ac29186a53bc815e3722628e020f40859e2d"],"ts":1793100774,"cid":"poa-mainnet-1","sig":"2K2se4Bz1f4kKAFebYVbzUoL5XHyCtsVYZVqXKa3z2jLQ8YqRAjvNXrtfpsECxqVXWBCSPEPdbtxUtVTk2MMN25t"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:24:50.188Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}