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Arbitrum 反女巫规则存漏洞,21.8% 空投分配给 15 万个女巫地址和至少 4000 个女巫社区

2023-03-22 17:50:45

ChainCatcher 消息,据数据分析平台 X-explore 研究,Arbitrum 此次空投中的反女巫规则造成了“重大漏洞”,导致大约有 15 万个 Sybil (女巫)地址和至少 4000 个 Sybil 社区获利超过 2.53  亿代币,占总空投数量的 21.8%。

据 X-explore 推测,Arbitrum 的规则为:在检测 Sybil 时排除跨链桥、中心化交易所和智能合约;对小规模、同一人地址采用相对宽容的检测;仅快照(2023 年 2 月 6 日)之前的数据用于 Sybil 检测;只有来自 Arbitrum 和以太坊的数据被用于 Sybil 检测,而忽略了来自其他以太坊 2 层的数据,例如 Optimism 和 Polygon。而这些 Sybil 检测规则会造成重大漏洞,根据以上规则,X-explore 通过内部的同一人地址/Sybil 地址识别模型检测出女巫地址数据。

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