Design And Implementation Of Steel Supply Chain System Based On Blockchain

The application of blockchain technology in digital currency(Bitcoin,Ether)is attracting widespread attention and has triggered the development of blockchain technology in different industries.Blockchain organizes and manages data in the form of a distributed ledger.Each node has a complete copy of the ledger.The nodes do not trust each other and maintain data consistency through a distributed consistency protocol.The characteristics of decentralization,non-tampering and traceability make the blockchain has a wide range of application in all walks of life.The current supply chain system has the problems of low data transparency and poor product traceability.These problems have seriously affected the establishment of trust between companies in the supply chain,as well as between companies and users,and affected the rapid development of the industry.The characteristics of blockchain technology directly hit the pain points of the industry's supply chain.The use of blockchain technology to promote the digital transformation of the supply chain of traditional industries is an urgent problem to be solved.However,the blockchain data storage structure makes the data query efficiency low,and it is difficult to deal with the applications that require higher query efficiency.This thesis introduces the existing load balancing technology to solve the problem of low efficiency of data query.The main work of this thesis is as follows :First of all,this thesis focuses on the low efficiency of data query in the current blockchain system.Based on the blockchain storage system supporting SQL,combined with the existing load balancing technology,design the query request distribution plan on the blockchain,improve the query efficiency of the data on the blockchain chain,and reduce the request load of a single full node.Secondly,supply chain design and development based on the blockchain storage system supporting SQL.Same as the first point,the design and development of this supply chain is also based on the blockchain storage system that supports SQL.The supply chain system aims to solve the openness and transparency of data between the upstream and downstream of the supply chain,and the whole process is visualized for users.From the customer's point of view,it integrates all aspects of the supply chain such as raw material procurement,product design,production,sales,warehousing,logistics and delivery.Fully study the integration point of blockchain technology with existing supply chain services and supply chain platforms,build a new decentralized supply chain platform for realizing the openness and transparency of upstream and downstream data in the supply chain,traceability of orders and commodities.Finally,for the steel supply chain system,this thesis designs a series of functional test cases to verify the functional completeness of the steel supply chain system and meet the application requirements of existing supply chain scenarios.