Blockchain-Based Secure and Trusted Distributed International Trade Big Data Management System

As an object of rapid development of Internet technology in recent years, network security has attracted more and more attention from people from all walks of life and has gradually become a topic in international trade activities. The application of blockchain is also extremely extensive, involving many aspects, such as the development of the metaverse game engine and bank financing. With the launch of the Belt and Road strategy, trade exchanges have become more and more frequent, and at the same time, cross-border e-commerce, a new type of industry that applies Internet information technology, has emerged. The application of blockchain technology to international trade big data processing can not only improve the utilization rate of massive transaction information resources shared by enterprises, governments, financial institutions, and other institutions, but also reduce enterprise costs. The use of blockchain improves the efficiency of data storage, reduces the degree of encryption, and reduces the amount of database access and server resource occupation. This paper mainly studied the application of blockchain in international trade big data system, introduced its secure and trusted distributed network architecture, and analyzed its performance. The experimental results showed that the performance of the decentralized manager was better than that of the centralized manager when processing a large amount of data. The peak throughput of the decentralized manager was about 450 pcs/sec and the peak throughput of the centralized manager was about 150 pcs/sec. And the performance of the storage system in the local area network was better than that in the public network.