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Publicly verifiable quantum money from random lattices. (arXiv:2207.13135v2 [quant-ph] UPDATED)
Aug. 15, 2022, 1:20 a.m. | Andrey Boris Khesin, Jonathan Z. Lu, Peter W. Shor
cs.CR updates on arXiv.org arxiv.org
Publicly verifiable quantum money is a protocol for the preparation of
quantum states that can be efficiently verified by any party for authenticity
but is computationally infeasible to counterfeit. We develop a cryptographic
scheme for publicly verifiable quantum money based on Gaussian superpositions
over random lattices. We introduce a verification-of-authenticity procedure
based on the lattice discrete Fourier transform, and subsequently prove the
unforgeability of our quantum money under the hardness of the short vector
problem from lattice-based cryptography.
More from arxiv.org / cs.CR updates on arXiv.org
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