YO:yoUSD 财库已全面投入运营,并在所有系统中标准化交易防护措施

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Foresight News 消息,DeFi 协议 YO 发布 yoUSD 事件分析。事件起因为 YO 运营的 Automated Harvesting System 意外将超过收获奖励的资产进行兑换。由于 stkGHO 同时作为收获奖励和财库本金的标的代币,配置边界条件异常触发。收益器(Harvester)试图将财库全部 stkGHO 余额(本金加奖励)进行兑换,该交易在去中心化交易所聚合器的报价中以极端价格成交,且未被收益器系统拒绝。尽管 Harvester 设置了滑点参数,但这些控制仅监测执行过程中的价格波动,未验证初始报价是否合理,致使系统暴露于极端价格冲击风险。

目前 yoUSD 财库已全面投入运营且资金安全。此外,用户余额未受影响,协议偿付能力也未受到影响。为防止未来发生类似事件,YO 已实施系统性变革,并在所有系统中标准化交易防护措施。

Foresight News 此前消息,据 Defimon 监测,YO Protocol 因 YoUSD 的一次错误兑换(Bad Swap)导致约 370 万美元损失。链上数据显示,YoVault 操作员将价值 384 万美元的 stkGHO 兑换为仅约 11.2 万美元的 USDC,约 370 万美元差价被 Uniswap v4 流动性提供者(LP)捕获。

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