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Ledger CTO:僅約 30% 的 BTC 面臨量子風險說法存疑

2026-09-28 23:10:58

ChainCatcher 消息,Ledger CTO Charles Guillemet 表示,其不認同 "僅約 30% 的 BTC 面臨量子計算風險、其餘約 70% 因公鑰哈希保護而安全" 的觀點。

Glassnode 數據顯示,目前約 30.2% 的 BTC 已在鏈上暴露支出公鑰,但 Guillemet 指出,這僅反映鏈上靜止狀態,未暴露的公鑰仍可能存在於 xpub、設備、PSBT、日誌或備份中;且 BTC 一旦發起交易,公鑰便會在交易確認前公開。

Guillemet 援引 Google Quantum AI 研究稱,在目前尚不存在的高速量子計算機模型下,針對 secp256k1 的相關攻擊可在約 9 分鐘內完成。因此,僅靠隱藏公鑰無法解決量子風險,比特幣最終仍需遷移至後量子密碼學。

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