Máy tính lượng tử gây ra rủi ro lớn hơn cho các hệ thống tài chính so với chìa khóa riêng của bitcoin

The Huo Xing Cai Jing report states that on May 30, Andrew Gault, co-founder and managing partner of deep tech investment firm 7percent Ventures and CEO of ZeroTier, said the market is overly focused on the threat quantum computing poses to Bitcoin wallet private keys, while overlooking a more urgent risk: encrypted communication data currently being transmitted and continuously collected among financial institutions. Gault pointed out that attackers are employing a “harvest now, decrypt later” strategy, massively storing encrypted data such as interbank communications, payment authentication records, and digital signatures, waiting for future quantum computers with sufficient capability to break them. He believes the real danger lies not in statically stored data, but in the authentication and signature information flowing daily between exchanges, custodians, cross-chain bridges, and financial institutions. In March this year, Google’s Quantum AI team published research suggesting that a sufficiently powerful quantum computer in the future could derive a Bitcoin private key from its public key in approximately 9 minutes, sparking market concern over the security of around 6.9 million BTC with exposed public keys. However, Gault argues that greater attention should be paid to the network communication data already collected. Google’s security team has shifted its risk focus toward digital signatures and identity authentication systems, planning to complete the migration to post-quantum cryptography by 2029. Google stated that “harvest now, decrypt later” attacks already constitute a real threat. Additionally, a Citigroup study from February this year estimated that if quantum computing compromised the encryption mechanisms used by major U.S. banks to access the Fedwire payment system, it could trigger an economic shock of $2 trillion to $3.3 trillion—equivalent to a 10% to 17% decline in U.S. real GDP. The report notes that while Ethereum has initiated a coordinated post-quantum migration plan, the Bitcoin network and major cryptocurrency exchanges and custodians have not publicly committed to similar upgrades for their signature infrastructure. Analysts believe that as quantum computing technology continues to advance, the crypto industry may face increasing pressure for post-quantum security transformation in the future.