By Hassan Shittu Key highlights: StarkWare cut the estimated GPU computing cost of its Quantum-Safe Bitcoin (QSB) construction 79% from $320 to $67 QSB uses hash-based cryptography instead of ECDSA/Schnorr signatures to protect against Shor’s algorithm attacks on quantum computers No quantum computer capable of attacking Bitcoin exists today, but 6.9M BTC ($586B) sits in […]