Craig Gidney
Researcher at Google Quantum AI focused on practical fault-tolerant quantum computing, known for work on magic-state factories, resource estimates, and tools like Stim, Quirk, and Crumble.
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Mar 27, 2026 • 2h 4min
How To Make Quantum Algorithms Cheaper | Craig Gidney on Magic-State Factories, Resource Estimates
Craig Gidney, a Google Quantum AI researcher known for magic-state factories and tools like Stim and Crumble, joins to discuss making fault-tolerant quantum computing practical. He explains why small Shor demos mislead, how reversible arithmetic and T gates dominate costs, and how tooling and clever resource tricks drastically cut estimates for breaking cryptography.
