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Quantum threat to Bitcoin lies in encrypted data moving between institutions, not wallet keys, warns investor.

Market News
30 May 2026
Coindesk
View Source
Bearish
pluang ai news

Venture capitalist Andrew Gault highlights that Bitcoin's biggest quantum risk is not its wallet keys but the encrypted authentication data exchanged between financial institutions today. Adversaries are collecting this data now to decrypt it later when quantum computers become powerful enough, a strategy known as "harvest now, decrypt later." While Ethereum and Google are advancing post-quantum security measures, Bitcoin and major crypto exchanges have yet to adopt similar protections. This vulnerability could impact transaction authenticity and legal liabilities, posing a significant risk to the financial system.

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