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以太坊 Prysm 客户端 Bug 导致验证参与度骤降 25%,险失最终确定性

ChainCatcher 消息,Cointelegraph 监测,在 Fusaka 网络升级后不久,由于 Prysm 共识客户端出现一个 Bug,Ethereum 网络的验证者参与度急剧下降,大量投票节点离线。Prysm 官方周四宣布,其 v7.0 版本客户端在处理过时的 Attestations(证明)时,不必要地生成了旧状态,导致节点无法正常运行。开发人员建议用户暂时使用 “--disable-last-epoch-targets” 标志来启动客户端作为临时解决方案。Beaconcha.in 数据显示,在 Epoch 411,448,网络的同步参与度(Sync Participation)和投票参与度(Voting Participation)分别降至 75% 和 74.7%。投票参与度下降 25%,距离网络维持最终确定性所需的三分之二多数(66.6%)超级多数仅差不到 9 个百分点。此次投票参与度的下降幅度,与 Prysm 共识客户端的验证者份额大致吻合,表明 Attestation 失败很可能集中在 Prysm 验证者中。此前,Prysm 的份额曾一度高达 68.1%。截至发稿时,Ethereum 网络当前的 Epoch (411,712) 投票参与度已接近 99%,同步参与度达到 97%,表明网络已恢复。当前 MigaLabs 数据显示,Lighthouse 仍占共识节点的 52.55%,Prysm 位居第二,占 18%。Ethereum 教育者 Anthony Sassano 表示,如果 Lighthouse 出现此 Bug,网络将失去最终确定性。
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