The Design And Implementation Of A Charity Management System Based On Blockchain

With the changes brought about by the building of Well-to-do Society in China,people are more and more concerned about people’s livelihood while pursuing material life,charity awareness is gradually increasing,and public welfare undertakings tend to be socialized.At the same time,public welfare undertakings have gradually become networked,and online public welfare fundraising platforms have gradually emerged.However,the frequent negative incidents have caused the public to doubt the charity industry.The public is unable to judge the authenticity of the help-seeking project,does not understand the details of the use of donations,and even doubts the reliability of the third-party online public welfare platform.The online public welfare fundraising platform is facing a serious crisis,and it is urgent to solve the trust problem between the public and the public welfare fundraising platform.The blockchain technology with built-in trust brings new hope to the solution of the problem.Blockchain technology is an emerging network technology.Its characteristic is that data can be traced and cannot be tampered with,which can solve the trust problem well.In response to this problem,the system is designed.Analyzed the development of public welfare fundraising platforms,and make it clear that the trust crisis of public welfare fundraising platforms comes from the opacity and tamperability of transaction data.The development status of public welfare fundraising platforms and the development status of blockchain technology were studied,the feasibility and necessity of a blockchain-based public welfare fundraising system were determined.Combining the principles of blockchain and related technologies,determine the specific application of blockchain technology in the public welfare fundraising platform,that is,storing key data such as the help projects published in the public welfare fundraising platform and the use details of the donations on the blockchain.In the process of writing the datas,in order to protect the information,the original information is not directly linked to the chain,but is stored in a desensitized encryption method,which can not only ensure the openness and transparency of the data,but also protect it.Privacy and security.After comparing the existing blockchain types and frameworks,the Baidu Super Chain with more stable performance was finally selected as the underlying blockchain technology of the system.Established the framework to realize the system.Detailed description of the realization process of each business function,including operation steps and data storage process,combined with the business logic of the system,completed the design and implementation of the smart contract in the system.In the public welfare fundraising system based on the blockchain,all transaction information that passes through the system is stored on the blockchain.The transaction information is open,transparent and traceable.It does not rely on the management of a third-party platform,and the third-party platform cannot perform transaction data.Revised,the charity fundraising system has sufficient credibility.