Galaxy: Quantum computers pose a real threat — but only some wallets are exposed

Editorial photo of a researcher at a desk; monitor shows a blockchain key icon with a subtle quantum motif.

Quantum computing is emerging as a real but highly selective risk for Bitcoin, with exposure depending less on the asset itself than on how specific wallets were used. Galaxy Digital’s research argues that the immediate threat is concentrated in wallets whose public keys are already visible on-chain, rather than in the broader Bitcoin supply.