ZeroTier CEO Andrew Gault argued that the core risk of quantum computers is not the hacking of BTC wallet private keys, but rather the authentication and payment infrastructure across the entire financial system, including financial institutions, exchanges, and custodians. He explained that attackers are already collecting inter-institutional payment records, authentication messages, and digital signature data, and a 'Harvest Now, Decrypt Later' attack, where this data is decrypted once quantum computers become powerful enough, could become a reality in the future. He particularly pointed out that digital asset infrastructure, such as exchange API authentication, cross-chain bridge proofs, and custodian signature systems, are also exposed to the same risks.
