A SECURE E - COUPON SERVICE BASED ON BLOCK CHAIN SYSTEM
DOI:
https://doie.org/10.5281/53wktd47Keywords:
E-coupon, blockchain, smart contract, security,,Abstract
The widespread use of the electronic coupon (e-coupon) is a direct result of the increasing
prevalence of online shopping. Most electronic coupon systems have a central server where all coupon data is
stored. However, due of their centralized nature, e-coupon systems often have security difficulties. Examples
include double spending (when an expired coupon is used more than once) and fabricated information in the
e-coupon database (which is maintained in a central location). To address this problem, we offer a novel e
coupon service that enhances the service's security by using a blockchain network. We begin by developing a
server to facilitate the e-coupon service and exchange data with the blockchain network. Second, we design a
blockchain-based smart contract to safeguard the data and business logic behind electronic coupons. The
intended service has been built and deployed on Ethereum's blockchain. Compared to an already available e
coupon service, our testing findings suggest that our proposed service delivers stronger security with a little
performance overhead.
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