A Secure E-coupon Service Based on Blockchain Systems
- Authors
- Han, J.; Son, Y.; Eom, H.
- Issue Date
- Feb-2022
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Blockchain; E-coupon; Security; Smart contract
- Citation
- IEEE Access, v.10, pp 21836 - 21846
- Pages
- 11
- Journal Title
- IEEE Access
- Volume
- 10
- Start Page
- 21836
- End Page
- 21846
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/61658
- DOI
- 10.1109/ACCESS.2022.3152765
- ISSN
- 2169-3536
- Abstract
- As the popularity of e-commerce grows, an electronic coupon (e-coupon) is widely used due to its convenience and portability. In most e-coupon services, the information of e-coupons is managed on a centralized server. However, e-coupon services are often vulnerable to security issues because of centralization. For example, when the e-coupon information which is stored in a centralized e-coupon server is forged, it becomes difficult to match the user and the e-coupon’s owner, and an expired e-coupon can be used repetitively (i.e., double-spending). To handle this issue, we propose a new e-coupon service by exploiting a blockchain system to improve the security of the service. To do this, we first design a server to enable the e-coupon service and communicate with the blockchain system. Second, we devise a smart contract on the blockchain system to provide integrity of the e-coupon business logic and the e-coupon’s information. We implemented the proposed service on an Ethereum-based blockchain system. The experimental results show that our proposed service improves higher security with a minor performance overhead compared with an existing e-coupon service. Author
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