谷歌称破解比特币所需量子资源或比之前预估的少20倍
PANews 5月27日消息，据Decrypt报道，谷歌量子研究员Craig Gidney发表论文称，破解2048位RSA加密（与比特币钱包加密原理类似）所需量子资源较2019年预测减少20倍。新研究显示，不足百万个噪声量子比特的量子计算机一周内即可完成破解，此前预估需2000万个。这一突破得益于算法优化和纠错技术改进。目前最先进的IBM Condor量子计算机仅1121个量子比特，尚无实际威胁，但IBM计划2033年推出10万量子比特机型，Quantinuum目标2029年实现完全容错。
加密货币领域已着手抗量子解决方案，Solana开发量子保险库，Vitalik提议分叉应对威胁。值得关注的是，量子研究组织Project 11已设立8.5万美元奖金，悬赏用量子计算机破解简化版比特币加密（25位密钥）的团队，以评估威胁紧迫性。美国国家标准与技术研究院去年发布的后量子加密标准建议2030年后逐步淘汰脆弱系统，谷歌研究暗示这一时间表可能需要提前。
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