量子计算对比特币安全的影响：威胁分析令华尔街不安

Wall Street's digital gold standard faces an existential quantum computing threat, prompting a critical reevaluation of Bitcoin's long-term security and sparking intense debate among tech and finance titans.

华尔街的数字黄金标准面临着存在的量子计算威胁，促使人们对比特币的长期安全性进行批判性的重新评估，并引发了科技和金融巨头之间的激烈辩论。

The Quantum Storm on Bitcoin's Horizon

比特币地平线上的量子风暴

In a move that sent tremors through both digital and traditional financial circles, Chris Wood, Jefferies' esteemed global head of equity strategy, issued a stark warning on January 17, 2026. His message, disseminated through his widely read newsletter Greed and Fear, pinpointed Cryptographically Relevant Quantum Computers (CRQCs) as a looming menace to Bitcoin's very foundation. Wood's analysis suggests that these advanced machines could shatter the cryptographic algorithms currently safeguarding Bitcoin, reducing the Herculean task of deriving a private key from a public one from eons to mere hours or days. This isn't just a technical glitch; it's a direct assault on the digital asset's core promise of secure, trustless ownership.

杰富瑞 (Jefferies) 受人尊敬的全球股票策略主管克里斯·伍德 (Chris Wood) 于 2026 年 1 月 17 日发出了严厉警告，此举震惊了数字和传统金融界。他的信息通过广为阅读的时事通讯《贪婪与恐惧》传播，指出加密相关量子计算机 (CRQC) 对比特币的基础构成迫在眉睫的威胁。伍德的分析表明，这些先进的机器可能会破坏目前保护比特币的加密算法，将从公共密钥导出私钥的艰巨任务从亿万年缩短到仅仅几小时或几天。这不仅仅是一个技术故障；这是对数字资产安全、无需信任的所有权的核心承诺的直接攻击。

The implications are particularly grim for older bitcoins, especially those that have been moved or spent, thus exposing their public keys. Estimates from ChainCode Labs and Coinbase suggest a staggering 4 to 10 million BTC—potentially up to 50% of the total supply, including Satoshi-era wallets—could be vulnerable to such quantum-powered expropriation. For Wood, this threat necessitated a tangible response: he promptly removed Bitcoin from his model portfolio, opting instead for the time-tested solace of gold and gold-mining stocks, a clear signal that the long-term risk profile had shifted dramatically.

对于旧的比特币来说，影响尤其严重，尤其是那些已经被转移或花费的比特币，从而暴露了它们的公钥。 ChainCode Labs 和 Coinbase 的估计表明，惊人的 4 到 1000 万比特币（可能高达总供应量的 50%，包括中本聪时代的钱包）可能容易受到这种量子驱动的征用。对于伍德来说，这种威胁需要采取切实的应对措施：他立即将比特币从他的模型投资组合中删除，转而选择经过时间考验的黄金和金矿股，这是一个明确的信号，表明长期风险状况已经发生了巨大变化。

A House Divided: To Burn or to Build?

分裂的房子：烧毁还是建造？

The specter of quantum computing has ignited a fierce internal debate within the Bitcoin community. One camp advocates for preemptive action, proposing to “burn” these quantum-vulnerable coins to uphold the system’s integrity. Proponents argue this would safeguard Bitcoin’s reputation as a protector of property rights. Conversely, others view such a drastic measure as premature, preferring a “wait and see” approach until the threat materializes more concretely. This isn’t Bitcoin’s first rodeo with contentious rule changes, suggesting that adaptation, while painful, is not unprecedented for the decentralized network.

量子计算的幽灵在比特币社区内部引发了激烈的争论。一个阵营主张采取先发制人的行动，建议“烧毁”这些易受量子影响的代币，以维护系统的完整性。支持者认为这将维护比特币作为产权保护者的声誉。相反，其他人则认为这种严厉措施为时过早，他们更倾向于采取“观望”态度，直到威胁更加具体地出现。这并不是比特币第一次出现有争议的规则变化，这表明适应虽然痛苦，但对于去中心化网络来说并不是史无前例的。

Adding to the complexity are the conflicting timelines circulating among experts. While Microsoft’s February 2025 unveiling of the Majorana 1 chip hints at an accelerating “Q-Day,” some prominent figures like Blockstream CEO Adam Back and Bitcoin Core developer Jameson Lopp counsel patience. They estimate a successful quantum attack on current signature schemes is still decades away, suggesting the network has ample time—perhaps 5 to 10 years—to implement thorough protocol updates and coordinate a large-scale migration to quantum-resistant cryptography. Yet, market analysts like Charles Edwards of Capriole digital asset fund inject a dose of urgency, warning that Bitcoin’s price could face severe pressure if it doesn’t demonstrate quantum readiness by 2028.

专家之间相互矛盾的时间表也增加了复杂性。虽然微软将于 2025 年 2 月推出 Majorana 1 芯片，暗示“Q-Day”的加速，但 Blockstream 首席执行官 Adam Back 和 Bitcoin Core 开发者 Jameson Lopp 等一些知名人士建议保持耐心。他们估计，对当前签名方案的成功量子攻击还需要几十年的时间，这表明网络有足够的时间（可能 5 到 10 年）来实施彻底的协议更新并协调向抗量子密码学的大规模迁移。然而，Capriole 数字资产基金的 Charles Edwards 等市场分析师警告称，如果比特币到 2028 年无法表现出量子准备就绪，其价格可能会面临巨大压力。

Gold's Glimmer in the Quantum Shadow

量子阴影中黄金的微光

As the digital frontier grapples with these future shockwaves, a familiar old guard is enjoying a renaissance. Wood's pivot from Bitcoin to gold underscores a broader institutional trend. For Jefferies, gold remains the “historically stress tested store of value” and an essential hedge against ever-rising geopolitical risks. This return to tangible assets suggests a certain “back to basics” mentality prevailing among some high-level investors, who see gold as a reliable anchor amidst the code volatility and computational uncertainties of the digital realm. It’s a compelling narrative: when the future of digital security is murky, the allure of physical, unhackable assets shines ever brighter.

当数字前沿努力应对这些未来的冲击波时，一个熟悉的守旧派正在享受复兴。伍德从比特币转向黄金凸显了更广泛的制度趋势。对于杰富瑞来说，黄金仍然是“历经压力考验的价值储存手段”，也是抵御不断上升的地缘政治风险的重要对冲工具。这种有形资产的回归表明，一些高级投资者普遍存在某种“回归基础”的心态，他们将黄金视为数字领域代码波动和计算不确定性中的可靠锚。这是一个引人入胜的故事：当数字安全的未来一片黯淡时，不可破解的物理资产的吸引力却愈加闪耀。

The Clock Ticks: Preparing for Tomorrow's Tech Today

时钟滴答作响：今天为明天的科技做准备

While the immediate threat of CRQCs remains speculative, the underlying imperative for Bitcoin is clear: proactive planning and preparation are non-negotiable. The community faces a unique challenge, given Bitcoin's decentralized nature, which makes coordinated upgrades far more complex than in centrally controlled systems. Nevertheless, efforts are underway, with initiatives like Project Eleven raising significant capital for post-quantum cybersecurity tools, and proposals like Bitcoin Improvement Proposal 360 (BIP 360) advocating for quantum-resistant signature schemes. The debate is no longer academic; it’s a critical discussion that will shape the future of the world’s foremost cryptocurrency.

虽然 CRQC 的直接威胁仍然是推测性的，但比特币的根本要求是明确的：积极的规划和准备是不容谈判的。鉴于比特币的去中心化性质，社区面临着独特的挑战，这使得协调升级比集中控制系统复杂得多。尽管如此，相关努力仍在进行中，“十一号项目”等举措为后量子网络安全工具筹集了大量资金，而“比特币改进提案 360”（BIP 360）等提案则倡导抗量子签名方案。争论不再是学术性的；而是。这是一场至关重要的讨论，将塑造世界上最重要的加密货币的未来。

So, as the world’s brightest minds race to build the quantum future, Bitcoin finds itself at a peculiar crossroads. Will it adapt, evolve, and perhaps even “fork” its way into a post-quantum era, or will its foundational math, once thought unbreakable, eventually yield to the relentless march of technological progress? Only time, and perhaps a few more quantum leaps, will tell if Bitcoin can maintain its “digital gold” status in a world where qubits are the new bits.

因此，当世界上最聪明的人竞相构建量子未来时，比特币发现自己处于一个特殊的十字路口。它会适应、进化，甚至“分叉”进入后量子时代，还是它曾经被认为牢不可破的基础数学，最终会屈服于技术进步的无情前进？只有时间，或许还有更多的飞跃，才能证明比特币是否能够在量子比特成为新比特的世界中保持其“数字黄金”地位。