Tag: Shor’s algo

Quantum Computing Vulnerability Risk Ladder Nearest-term effective risk to CRQC (Shor’s algorithm) – February 2026 1 Bitcoin (legacy ECDSA addresses) 🔴 Highest / Most brittle ~8–25% of supply (~1.7–7M BTC, $200–700B+) exposed via immutable public keys on-chain. Retroactive theft from dormant/lost coins; decentralized upgrades very slow. PQC adoption: Very low (discussions ongoing) 2 Other blockchains…