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Almost Public Quantum Coins
March 1, 2024, 5:11 a.m. | Amit Behera, Or Sattath
cs.CR updates on arXiv.org arxiv.org
Abstract: In a quantum money scheme, a bank can issue money that users cannot counterfeit. Similar to bills of paper money, most quantum money schemes assign a unique serial number to each money state, thus potentially compromising the privacy of the users of quantum money. However in a quantum coins scheme, just like the traditional currency coin scheme, all the money states are exact copies of each other, providing a better level of privacy for the …
arxiv bank bills can counterfeit cs.cr issue money privacy public quant-ph quantum state
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