web3: Foreign media: Coldcard Vulnerabilities Impact Bitcoin's Self-Management Confidence
Fortune
1h ago
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Foreign media reports that a flaw in the mnemonic generation of Coldcard has led to the theft of at least $100 million in Bitcoin, sparking renewed discussions in the market about the security of self-hosted hardware wallets.
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外媒评论称,Coldcard 硬件钱包近期暴露的安全问题之所以引发更大震动,不只是因为损失金额已至少达到 1 亿美元,更因为受影响的是一批原本最重视安全、也最相信离线存储的比特币持有者。

问题出在助记词生成

文章称,硬件钱包通常被视为加密资产保管中最稳妥的工具之一,原因在于私钥离线保存,助记词也应只由用户掌握。按这一逻辑,只要设备本身设计可靠,外部攻击者很难直接窃取资产。

但这次事件的问题出在设备厂商的实现环节。文章指出,Coldcard 背后的公司没有为助记词生成提供足够随机的流程,而是采用了可预测模式。攻击者一旦掌握样本助记词,就可能通过反复试错推测其他用户的助记词,进而转走钱包中的比特币。

市场反应有限,象征意义更大

从市场层面看,这起事件没有引发大范围价格波动。文章提到,Coldcard 在硬件钱包市场的份额不到 2%,知名度也低于 Ledger 和 Trezor,因此受影响用户数量相对有限,整体加密市场反应不大。

不过,文章认为这起事件的象征意义远大于短期市场影响。过去多数加密攻击,往往发生在跨链桥、山寨币平台或高风险协议上,外界通常会将其视为高风险操作的代价。但这次受害者是长期坚持比特币自托管、并将资产放在冷钱包中的用户,这让事件更具冲击力。

争议落在自托管信心

文章认为,这起漏洞更像是一次对自托管信心的打击,而不是比特币网络本身的失败。核心原因不在于比特币协议失效,而在于单一硬件制造商在最基础的安全设计上出现疏漏。

文章同时指出,这件事也再次暴露出一个现实问题:离线硬件钱包更符合比特币强调的自我保管理念,但使用门槛和操作负担始终存在。一旦设备制造环节本身出现问题,用户即使遵循了常见安全做法,也未必能完全避开风险。

对行业而言,这起事件可能促使市场重新审视硬件钱包厂商的随机数生成、助记词创建流程以及产品审计标准。相比价格波动,真正受到冲击的,是部分用户对“只要离线保存就足够安全”这一前提的信任。

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