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Episode 73: Quantum Money with Jiahui Liu

Physics Frontiers

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The Impossibility of Quantum Money

The security of quantum money is based on the mathematical assumption. The adversary can always cheat by taking use of this public key information. No matter what verification procedure you use, there's simply no efficient way to distinguish this fake money state produced by the adversary through measuring and modifying. It simply cannot distinguish it from the original money state.

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