web3: Harmony遭受未经授权的增发攻击, ONE一度下跌37%
Coinpaper
2h ago
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Harmony confirmed to have encountered an unauthorized issuance vulnerability; approximately 4 billion ONE tokens were minted and flowed into exchanges, causing the token price to drop by 37% at one point.
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Harmony 确认网络遭遇漏洞攻击后,ONE 价格一度跌至约 0.00077 美元,日内跌幅达 37%。这次事件的核心问题不是普通抛售,而是攻击者在未经授权的情况下额外铸造了约 40 亿枚 ONE,规模接近现有供应量的四分之一。

约40亿枚ONE被异常铸造

链上分析师 Juiceberg 最早披露称,攻击者通过“空区块”铸造了接近 40 亿枚 ONE,约占总供应量的 26%。随着价格下跌,其中约 28 亿枚已被转入交易所。

随后,Juiceberg 表示,攻击者链上仍剩约 1.15 亿枚 ONE 待处理,仅占此次异常增发总量的约 2.9%。按其说法,约 97% 的相关代币已经进入交易所,或已被卖出,或停留在充值地址中。

Harmony暂停桥接并升级补丁

Harmony 随后发文称,正与团队及相关交易所合作,尝试阻止并冻结资金,同时准备补丁,并评估是否进行链回滚。项目方之后公布了 4 个相关钱包地址,要求交易平台拦截与这些地址有关的资金流转。

在首次回应约两小时后,Harmony 暂停了跨链桥服务。随后又发布补丁,要求验证者升级到新版本,以阻止进一步增发。项目方表示,已经被铸造出来的代币仍需通过后续更新处理。

链回滚方案再被摆上台面

所谓回滚,是把网络状态恢复到攻击发生前,再从该状态继续出块。这种做法可以抹去攻击后的异常记录,但也会一并撤销普通用户在此期间完成的交易。

截至发稿,Harmony 尚未披露漏洞成因,也未确认最终被铸造的准确数量,或其中有多少已经流入交易所。另一个异常之处在于,Juiceberg 指出,Harmony 的 totalSupply 接口并未反映新增代币,而部分行情网站仍显示流通量约为 148.7 亿枚。

补充信息:Harmony 曾在 2022 年 6 月遭遇 Horizon 跨链桥被盗事件,损失约 1 亿美元。按 CoinGecko 数据,ONE 目前市值约为 1150 万美元,较 2021 年 10 月接近 0.38 美元的历史高位已回落逾 99%。

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