web3: Coinbase联合多家机构启动比特币抗量子准备
U.Today
07-26 21:20
Ai Focus
Coinbase称比特币暂无迫切量子威胁,并联合多家机构启动抗量子安全准备。
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Coinbase披露称,量子计算目前不会对比特币构成立即威胁,但行业需要提前为未来迁移做准备。该公司已联合多家机构成立“比特币安全联盟”,并公布自身面向后量子时代的技术路线。

联合多家机构成立安全联盟

Coinbase CEO布莱恩·阿姆斯特朗在 X 平台表示,这一联盟由 Coinbase 发起,并获得贝莱德、Fidelity Digital Assets、Block、Blockstream、Strategy 等机构支持。目标是围绕比特币长期安全展开协作,为未来可能出现的高性能量子计算机提前准备。

Coinbase表示,后量子风险并不在眼前,但真正困难不只是算法替换,而是如何在去中心化网络中完成大规模、安全迁移。比特币网络涉及数以百万计的用户,任何升级都需要广泛协调。

Coinbase公布内部技术路线

公司披露称,Coinbase已发布一份后量子路线图,并在开发抗量子版本的自有密钥管理系统 PQ-CoreKMS。该公司认为,具备容错能力的量子计算机最终大概率会出现,因此现在开始准备更现实。

按照安排,Coinbase将从 8 月起与 Bitcoin Core 开发者、密码学家和研究人员共同举行工作会议,讨论迁移方案。公司还承诺投入工程资源和资金,支持相关研究与实施准备。

当前威胁尚远但准备窗口已开启

文章提到,美国国家标准与技术研究院(NIST)近年已完成首批后量子密码算法的遴选和标准化。政府和科技公司也已开始推动关键基础设施向新标准过渡。

就比特币而言,现阶段量子计算机距离破解其椭圆曲线密码体系仍有明显差距。业内普遍认为,真正具备攻击能力的系统需要数百万个高质量物理量子比特,并配合稳定的纠错能力,这仍远超当前水平。

不过,关于这类系统何时出现,业内并无明确时间表。围绕比特币的潜在迁移方案,开发者已提出多种方向,包括引入抗量子签名方案、推动用户将资金转入升级后的地址,以及通过未来的比特币改进提案推进协议层调整。

这也意味着,相关工作的重点暂时不是应对短期攻击,而是尽早建立协作机制,降低未来集中迁移时的技术和治理难度。

补充信息:文中提到的联盟成员除 Coinbase 外,还包括贝莱德、Fidelity Digital Assets、Block、Blockstream 和 Strategy 等大型行业参与者。

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