Classical Verification of Quantum Advantage via Clifford Obfuscation
A new arXiv preprint proposes a scheme for classically verifying quantum advantage by applying Clifford obfuscation to quantum circuits. The approach aims to allow a classical verifier to check that a quantum device performed a computation beyond classical reach without trusting the device itself.
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What this could mean
- 0–2 yearsPlausible
This could give experimental quantum computing groups a practical protocol for certifying quantum advantage claims on near-term hardware without requiring trust in the device.
The proposal addresses a known bottleneck in quantum supremacy demonstrations: a classical verifier must be convinced that the output could not have been generated classically. If the obfuscated Clifford construction is sound and efficiently verifiable, it would be directly applicable to existing noisy intermediate-scale quantum processors, enabling third-party certification within the next two years.
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