Advances in International Computer Science

The rapid development of blockchain technology has led to its increasingly widespread application in big data trading platforms, where the credibility of the platform directly affects the security and effectiveness of data transactions. Therefore, this paper proposes a blockchain-based credibility evaluation system for big data trading platforms, aiming to enhance the transparency and trustworthiness of the platform through blockchain’s characteristics such as decentralization and immutability. The evaluation system covers multiple dimensions including data integrity of the platform, transaction transparency, and participant reputation, and integrates smart contract technology to achieve automated and real-time evaluation. This paper focuses on exploring how to construct a credibility evaluation model in a blockchain environment, the selection of evaluation dimensions and their interrelationships, thereby improving the trust management level of big data trading platforms and providing guarantees for the development of the big data industry.

Blockchain; Big data; Trading platform; Credibility evaluation; Smart contract