#Address Reuse

May 22, 2026

Glassnode Flags 30.2% of Bitcoin Supply as Quantum-Exposed in Future Q-Day Risk

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Glassnode has put a hard number on one of Bitcoin’s least comfortable questions: how much of the supply could be exposed if quantum computers ever become powerful enough to crack today’s cryptography. 30.2% of BTC supply flagged as quantum-exposed 6.04 million BTC potentially vulnerable in a future Q-Day scenario Structural exposure vs operational exposure Bitcoin […]

#Quantum Computing #Bitcoin Security #Address Reuse #Glassnode

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May 20, 2026

Glassnode Flags 1.92M BTC Exposed to Future Quantum Risk

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Glassnode says Bitcoin quantum risk covers 1.92M BTC Bitcoin is not getting smashed by quantum computers tomorrow, but Glassnode says the protocol already has a measurable quantum-risk surface that deserves attention, not copium. 1.92 million BTC are structurally exposed 4.12 million BTC are operationally exposed Old output types and address reuse are the weak links […]

#BIP-360 #Address Reuse #Glassnode #Bitcoin Quantum Risk

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