ZeroTier CEO Andrew Gault emphasized that the core security risk of quantum computers lies not in hacking the private keys of individual BTC wallets, but rather in the authentication and payment infrastructure of the broader financial system, including financial institutions, exchanges, and custodians.

He pointed out that hackers are already collecting inter-institutional payment records, authentication messages, and digital signature data on a massive scale. He explained that if the performance of quantum computers reaches a fully commercialized level in the future, a 'Harvest Now, Decrypt Later' attack—decrypting such pre-collected data all at once—could become a reality.

In particular, exchange API authentication, cross-chain bridge proofs, custodial institutions ...