An Electronic Payment Protocol Based on Quantum Key Distribution

Ming Chen, Kaigui Wu, Jie Xu

Siavash Khodambashi, Ali Zakerolhosseini

Zeynep Çelik, Hüseyin Bodur

Abstract The security and anonymity of e-payment transactions are paramount. In this study, we propose a centralised e-payment protocol based on superdense coding. By adopting quantum key establishment principles inspired by quantum key distribution (QKD) and combining them with superdense coding-based message transmission, symmetric key encryption, and two-particle entanglement, our quantum e-payment protocol utilises Bell states to reduce the complexity of quantum resources. The protocol is used for both key distribution and secure message transmission between the communicating parties. It is also resilient against quantum attacks and provides operational non-repudiation and immutability. Compared to previously proposed protocols, our protocol offers improved security while maintaining practical feasibility for real-world applications.

Mengdie Li, Daicao Wan, Meng Jing +2 more

With the in-depth development of the digital economy and the escalating demands for transaction security and quantum attack resistance in electronic payment scenarios, quantum signature is gradually emerging as a core research direction in the construction of electronic payment security systems. Addressing the requirements for anonymity and security in electronic payment scenarios, this paper proposes an electronic payment scheme based on controlled quantum teleportation. During the implementation of the scheme, the quantum entanglement characteristics of the four-particle entangled state, the core logic of controlled quantum teleportation, the privacy protection features of proxy blind signature technology, and the technical advantages of superdense coding are integrated to provide security guarantees for the payment process. Meanwhile, the proposed scheme builds a payment system relying on quantum key distribution protocols, forming a payment system with information-theoretic security attributes. This effectively overcomes the limitation that traditional UnionPay payment systems rely on computational complexity at the security level. In addition, the scheme satisfies nonrepudiation and unforgeability and possesses the capability to resist interception-resending attacks.

Xiang-lin Gou, Runhua Shi, Wei Gao +1 more

Yuguang Xu, Kefan Cheng, Tianhua Liu +1 more