Emerging technologies such as blockchain have accelerated the digitization of a variety of industries, improved the operational efficiency of enterprises, and promoted in-depth integration of digital technology with the real economy. Blockchain has characteristics that include distributed storage, peer-to-peer transmission, strong confidentiality, and easy traceability. This article introduces blockchain into an enterprise's information management system with the aim of breaking the enterprise's digital barriers by using technologies such as distributed ledgers, smart contracts, and asymmetric encryption, thus improving the security and applicability of the enterprise data assets. This article explores the characteristics and security of three types of blockchain in depth, designs the model framework of the blockchain digital system (BDS) based on industry needs, and analyzes the functions and the operating mechanisms of each level of the system in detail. Finally, based on the characteristics of public blockchain, consortium blockchain, and private blockchain, three typical application scenarios in which the BDS can be used are selected, and the article discusses how E-retail supply chains, virtual power plants, and carbon trading platforms can realize digital management using the BDS, thus providing a practical basis for construction and application of the BDS.
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