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Ledger CTO:仅约 30% 的 BTC 面临量子风险说法存疑

2026-09-28 23:10:58

ChainCatcher 消息,Ledger CTO Charles Guillemet 表示,其不认同 “仅约 30% 的 BTC 面临量子计算风险、其余约 70% 因公钥哈希保护而安全” 的观点。

Glassnode 数据显示,目前约 30.2% 的 BTC 已在链上暴露支出公钥,但 Guillemet 指出,这仅反映链上静止状态,未暴露的公钥仍可能存在于 xpub、设备、PSBT、日志或备份中;且 BTC 一旦发起交易,公钥便会在交易确认前公开。

Guillemet 援引 Google Quantum AI 研究称,在目前尚不存在的高速量子计算机模型下,针对 secp256k1 的相关攻击可在约 9 分钟内完成。因此,仅靠隐藏公钥无法解决量子风险,比特币最终仍需迁移至后量子密码学。

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