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链上研究员:Coinbase 用 MPC 拆分私钥,黑客难下手

2026-11-01 22:59:42

ChainCatcher 消息,链上研究员 Zeeme 在 X 发长帖分析,为何黑客能攻击币安、Bybit 和 Bitget,却难以攻破 Coinbase。他称 Coinbase 托管约 95.9 万枚 BTC、价值约 1033.1 亿美元,14 年来未遭此类攻击。

Zeeme 表示,多数交易所把数十亿美元集中在少数热钱包里,以便快速提现;Coinbase 则采用多方计算(MPC)技术,完整私钥从不存在于磁盘或内存中,每把密钥生成时就被拆分成分片,存放在相互隔离的硬件芯片上。

他对比称,10 月黑客入侵币安一名 DevOps 人员的电脑后劫持热钱包签名,20 分钟内转走约 63.6 亿美元;而在 Coinbase,即使攻破工程师电脑,也只能拿到一片无用的密钥分片。

此外,Zeeme 随后更正称,帖中提到的约 6980 万个地址是 Coinbase 的充值地址,并非其存放资金的钱包,Coinbase 同样设有冷热钱包。

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