web3: 外媒:比特币回落至6.3万美元,量子计算风险再受关注
U.Today
07-28 17:42
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比特币跌至 6.3 万美元附近后,量子计算对区块链安全的潜在影响再度成为市场讨论焦点。
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外媒称,比特币回落至 6.3 万美元附近后,市场讨论焦点不只停留在价格下跌本身,也重新转向量子计算可能带来的加密安全压力。文章认为,随着量子技术逐步进入商业应用,所谓“Q-Day”正在被更频繁地提起。

比特币下跌伴随大额强平

报道提到,比特币跌向 6.3 万美元时,市场出现约 1 亿美元的强制平仓。此次回落并非单一因素推动,韩国 KOSPI 指数走弱、半导体板块抛售,以及市场等待美联储会议结果,都被视为短线压力来源。

在这一背景下,量子计算话题再次进入加密市场视野。文章援引部分业内人士说法称,去中心化网络依赖公开密钥体系,若量子计算能力继续提升,区块链协议可能成为较早面临压力的对象。

AT&T与 D-Wave 合作引发讨论

这轮讨论的直接触发点,是 AT&T 与 D-Wave Quantum 扩大合作。根据报道,AT&T 已将量子退火技术用于网络优化算法。文章借此强调,量子计算正从实验室研究走向实际商业场景,而不再只是远期概念。

报道认为,这类商业落地案例会加快市场对量子安全问题的重视,尤其是在加密资产领域。原因在于,比特币等区块链网络的安全性,建立在现有密码学假设之上,一旦底层假设被突破,影响范围可能较广。

“Q-Day”时间表被进一步提前

  • Google 研究人员据称将相关算力预估下调约 20 倍
  • 新估算认为所需物理量子比特可低于 50 万个
  • 美国能源部预计未来三年内可能出现更强量子计算机

此外,IBM 和微软等公司也被提及正在为 2029 年前后更具实际密码学意义的量子系统做准备。文章据此认为,市场担心的重点已不只是技术是否会出现,而是加密社区能否在风险真正到来前推进加密升级。

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