The Design of a Blockchain-based Electronic Payment Protocol Preserving User Anonymity

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Hatefi Z.; Bayat M.; Hamian N.

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Journal Paper

Paper Information

Journal: JOURNAL OF ELECTRONIC AND CYBER DEFENCE Year:2021 | Volume:9 | Issue:2 Page(s): 85-100

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Information Journal Paper

Title

The Design of a Blockchain-based Electronic Payment Protocol Preserving User Anonymity

Author(s)

Hatefi Z. | Bayat M. | Hamian N. | Issue Writer Certificate

Keywords

BlockchainQ4

Electronic PaymentQ4

AnonymityQ4

Conditional PrivacyQ4

Traceability RevocationQ4

Abstract

Security of Electronic Payment systems have become important, by increasing demand. Protecting against double spending, tracing malicious users, users' Anonymity and privacy-preserving are important secure goals of any Electronic Payment systems. To achieve these goals, Blockchain technology is useful, Blockchain technology can solve many issues, such as bottlenecks, delays and operational risks that exist in the financial industry, but Blockchain-based Electronic Payment systems cannot punish or trace malicious users without using trusted third party. In this article, we present a Blockchain-based Electronic Payment scheme to protecting the Anonymity and privacy of honest users, and also trace and punish malicious users with no need to TTP. We have used a fair blind digital signature scheme and a secret sharing scheme for this purpose. Users also use pseudonyms to maintain Anonymity. users' pseudonyms are generated by pre-computations, therefore, the proposed scheme have a good performance.

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