Signing Perfect Currency Bonds

May 20, 2015 Β· Declared Dead Β· πŸ› Quantum Information Processing

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Authors Subhayan Roy Moulick, Prasanta K. Panigrahi arXiv ID 1505.05251 Category quant-ph: Quantum Computing Cross-listed cs.CR Citations 25 Venue Quantum Information Processing Last Checked 5 months ago
Abstract
We propose the idea of a Quantum Cheque Scheme, a cryptographic protocol in which any legitimate client of a trusted bank can issue a cheque, that cannot be counterfeited or altered in anyway, and can be verified by a bank or any of its branches. We formally define a Quantum Cheque and present the first Unconditionally Secure Quantum Cheque Scheme and show it to be secure against any no-signaling adversary. The proposed Quantum Cheque Scheme can been perceived as the quantum analog of Electronic Data Interchange, as an alternate for current e-Payment Gateways.
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