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加密货币公司纷纷备战,量子计算对加密的威胁日益逼近

随着量子计算技术快速发展,其对现有加密体系的威胁日益临近,加密货币公司正加紧准备防御措施。报道指出,量子计算机有朝一日可能破解支撑比特币等加密货币安全的公钥加密算法,行业正积极研发抗量子加密方案以保护用户资产安全。

背景速读

- 量子计算威胁的是当前加密体系(如椭圆曲线加密)的基础数学原理。Shor算法理论上能快速破解公钥密码,一旦实用化,比特币等依赖公钥签名的加密货币将面临资产被盗风险。 - 比特币的椭圆曲线数字签名算法(ECDSA)是核心脆弱点——公开地址对应的私钥一旦被量子计算机反推,资金即可被转移。以太坊等其他区块链也面临类似问题。 - 所谓“量子威胁”并非眼前现实:当前量子比特数量远未达到破解所需的数百万级别(且需纠错)。业界对时间线分歧很大——乐观者认为10-15年内可能发生,悲观者认为更久或永远不会。 - 防御方案是迁移到“量子抗性”密码学(如格子密码、哈希签名),但区块链升级困难重重——需全网共识硬分叉,且兼容性与性能代价巨大。 - 该报道反映的不仅是技术挑战,更是加密行业核心安全假设可能遭遇范式颠覆的长期风险。监管机构(如NIST)已在推动抗量子标准,但行业惰性与路线争议使进展缓慢。

相关报道

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  • Researchers have linked the Android-based Popa botnet, which has compromised millions of TV boxes for advertising fraud and data scraping over four years, to NetNut, a residential proxy provider owned by the publicly-traded Israeli firm Alarum Technologies Ltd.

  • An offensive cybersecurity startup offering millions for zero-day vulnerabilities is operated by two far-right conspiracy theorists and convicted felons, whose past ventures included fake intelligence firms and a defunct AI lobbying platform run under aliases.