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BSC 發布抗量子密碼遷移報告:交易簽名已切換至 ML-DSA-44,TPS 測試下降約 40%-50%

2026-05-19 15:34:08

ChainCatcher 消息,BNB Chain 於此前 5 月 14 日發布《BSC Post-Quantum Cryptography Migration Report》稱,已完成針對交易簽名與共識層的抗量子密碼遷移測試,採用 NIST 標準化後量子簽名算法 ML-DSA-44(Dilithium)及 pqSTARK 聚合方案。

報告顯示,BSC 已將交易簽名從 ECDSA 替換為 ML-DSA-44,並將共識投票聚合從 BLS12-381 切換至 pqSTARK,以應對未來量子計算對現有橢圓曲線密碼體系的潛在威脅。不過,後量子簽名也顯著增加鏈上數據體積:單筆交易大小從約 110 字節增至約 2.5KB;區塊大小在 2000 TPS 場景下從約 130KB 增至約 2MB;測試環境下 TPS 下降約 40%-50%。

BSC 表示,當前網絡瓶頸主要來自更大的交易數據傳播,而非共識協議本身。與此同時,共識層聚合仍保持較高效率,pqSTARK 可實現約 43:1 的簽名壓縮比,驗證者額外負擔仍處於可控範圍。報告認為,現有技術已可實現區塊鏈"抗量子化"部署,但未來仍需解決網絡帶寬與數據擴展性問題。

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