3 Reasons Why The ‘Bitcoin Quantum Threat’ Is Overstated: Report
Posted On February 9, 2026
Fears around quantum computing breaking Bitcoin (CRYPTO: BTC) are overstated as the practical threat is distant, limited in scope, and manageable through gradual protocol upgrades, according to a new research report by CoinShares.
Quantum Risk Is Long-Dated And Narrow
Only about 10,200 BTC, held in a small number of large legacy Pay-to-Public-Key (P2PK) addresses, could pose a meaningful market risk if compromised, CoinShares noted in its report.
That figure far below claims that 2%–50% of Bitcoin’s supply is vulnerable.
While roughly 1.6 million BTC remain in legacy address formats, coordinated attacks are highly impractical even …