// Hacker Noon · 16 April 2026

QSB Could Save Legacy Bitcoin From Quantum Theft

A new paper by Avihu Mordechai Levy (StarkWare) describes Quantum-Safe Bitcoin (QSB), a way to spend legacy Bitcoin outputs that would stay secure even if an attacker had a cryptographically relevant quantum computer. It works inside today's Bitcoin Script with no soft fork. Under the paper's Shor-o...

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