Nearly $500B in Bitcoin Is Exposed to Future Quantum Computing Attacks: Glassnode – Decrypt

May 22, 2026 - 00:15
Nearly $500B in Bitcoin Is Exposed to Future Quantum Computing Attacks: Glassnode – Decrypt
In brief More than 30% of all Bitcoin already has its public key exposed on-chain, making it theoretically vulnerable to a future quantum computer attack. The exposure breaks into two types: structural from script designs that reveal keys by default, and operational from address-reuse behavior. Exchanges account for roughly 40% of operationally exposed Bitcoin, though...

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