Application of blockchain technology in data storage and sharing
Data storage and sharing is one of the important links of Internet information exchange.Excellent data storage and sharing methods can improve data security.In order to improve data security and transmission efficiency,on the basis of blockchain technology,the research integrates the improved Byzantine Fault Tolerance consensus algorithm(Practical Byzantine Fault Tolerance,PBFT)for data sharing,and uses the edge algorithm to optimize the data access control archi-tecture,and The performance of the method was verified.The results show that in terms of communication overhead,the research method is 4(λn-1);when performing consensus,the research method takes about 98ms on 20 nodes;when calculating the policy execution overhead,the research method's cost trend is in line with expectations;at the same time,the research method has a more comprehensive security function.This shows that the research method can effectively store and share data,and has high data transmission efficiency,which provides reliable technical support for the research of data storage and sharing.