Google Cuts Quantum Magic-State Errors 40-Fold on Willow
Key Highlights: Google Quantum AI demonstrated “magic state cultivation,” reducing logical error rates from roughly 0.44% down to an upper bound of about 0.01% on its 105-qubit Willow chip. While an experimental milestone for fault-tolerant computing, the 40-fold error reduction does not accelerate timelines for cracking cryptographic schemes like Bitcoin and Ethereum’s secp256k1 curve. The ...