Vitalik：51%攻击无法改写区块，但链外信任会带来新风险
2025-10-26 02:56:44
以太坊联合创始人 Vitalik Buterin 发文强调，区块链具备的关键安全属性在于，即便遭遇 51% 攻击，也无法使无效区块变为有效，因此 51% 验证者串通或软件故障也无法窃取用户资产。但他警告，若开始依赖验证者执行链外、链本身无法控制的任务，则 51% 验证者可能串通给出错误结果，用户将失去保护机制。
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