Is Quantum Bit Commitment Really Possible?
classification
🪐 quant-ph
cs.CR
keywords
commitmentquantumalicealmostalwaysattackbecausecheat
read the original abstract
We show that all proposed quantum bit commitment schemes are insecure because the sender, Alice, can almost always cheat successfully by using an Einstein-Podolsky-Rosen type of attack and delaying her measurement until she opens her commitment.
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