Block Chain Based Security Issuance Audit System Design And Implementation

With the advent of emerging technologies in the Internet industry and the rapid development of the securities industry,it is both an opportunity and a challenge for the traditional securities issuance review system.Because the traditional securities issuance audit system uses centralized services,if it encounters malicious attacks from the outside,the security of project data storage will be significantly reduced,and there are many departments involved,the audit process can be human intervention,which also makes the traditional audit system enterprises face the main problems.The current traditional securities issuance review system mainly faces two problems: First,there are certain risks in data storage security,and malicious attacks caused by external and non-human causes may cause user privacy and project data information to be exposed or lost;Second,traditional in the securities issuance review system,the time for information verification is long,and there are many repeated approval procedures,resulting in inefficient approval.Aiming at the problems of data storage security,multiple approval procedures,and low approval efficiency faced by traditional securities issuance review system data,this paper analyzes the current research status of the securities issuance review system,and makes a more detailed analysis of the system requirements based on the research status.Based on this analysis,a security issuance review system based on blockchain is designed and implemented.This system divides the securities issuance review system into issuance review receipt management,issuance review contract management,issuance review project management,issuance review management,and issuance review information center management modules based on its functional characteristics.in the securities issuance review system implemented in this article,the blockchain is used as the underlying support technology to support the operation of the entire system.The underlying blockchain uses Solidity language to complete the development,the system front-end uses the Vue framework for development,and the server uses Java and node.js language to complete Development,the main framework used in the back-end is the SSH framework,the database is developed using My SQL database and blockchain,and the underlying block link port is implemented through the call interface provided by web3 j.since the front-end and back-end separation mode is adopted in the system development process,Nginx proxy server is used to achieve load balancing.Since the front-end and back-end separation mode is adopted in the system development process,Nginx proxy server is used to achieve load balancing.The bottom layer uses smart contract technology to solidify the repetitive approval process in the smart contract code,and uses the distributed storage and consensus node technology of the blockchain to perform network-wide broadcast verification when data is written into the block.Finally,through the functional test and performance test of the system,the test results show that the system can meet the business requirements of audit management.