Abstract
Security and anonymity are essential to E-payment systems. However, with the increasing computing power, existing E-payment systems will gradually become insecure. In this paper, we propose an inter-bank E-payment system which is based on quantum proxy blind signature. Adopting the techniques of quantum key distribution, one-time pad and quantum proxy blind signature, our quantum E-payment system could protect user’s anonymity as the traditional E-payment systems do, and also have unconditional security which the classical E-payment systems cannot provide. Furthermore, compared with the existing quantum E-payment systems, the proposed system could support inter-bank transactions.
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Wen, X., Chen, Y. & Fang, J. An inter-bank E-payment protocol based on quantum proxy blind signature. Quantum Inf Process 12, 549–558 (2013). https://doi.org/10.1007/s11128-012-0398-3
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DOI: https://doi.org/10.1007/s11128-012-0398-3