Semi-Device Independent Quantum Money
arXiv:1811.10552 · doi:10.1088/1367-2630/ab6872
Abstract
The seminal idea of quantum money not forgeable due to laws of Quantum Mechanics proposed by Stephen Wiesner, has laid foundations for the Quantum Information Theory in early '70s. Recently, several other schemes for quantum currencies have been proposed, all however relying on the assumption that the mint does not cooperate with the counterfeiter. Drawing inspirations from the semi-device independent quantum key distribution protocol, we introduce the first scheme of quantum money with this assumption partially relaxed, along with the proof of its unforgeability. Significance of this protocol is supported by an impossibility result, which we prove, stating that there is no both fully device independent and secure money scheme. Finally, we formulate a quantum analogue of the Oresme-Copernicus-Gresham's law of economy.
26 pages, 4 figures, 1 table, added impossibility result
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Cited by in corpus (8)
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- Demonstration of quantum-digital payments
- Quantum cryptography beyond key distribution: theory and experiment
- Analysis for satellite-based high-dimensional extended B92 and high-dimensional BB84 quantum key distribution
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