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Quantum Key Distribution Becomes More Practical With New Self-Testing Methods

Until now, fully device-independent quantum key distribution demanded assumptions about the validity of quantum experiments themselves. This work demonstrates a method to transfer those same assurances to device-dependent key exchange using local self-tests between parties. The result is a pathway to simplify quantum key distribution requirements, potentially achieving key rates comparable to existing device-dependent systems.
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quantumzeitgeist.com broke the news on Wednesday, April 1, 2026.
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