Research on the Trusted Mechanism of Educational Big Data Circulation Based on Blockchain
This paper proposes a trusted framework for the circulation of educational big data based on blockchain,and verifies it by constructing a system.The system can support data analysis across educational institutions,and is used to study the analysis method of educational big data,which has a good application prospect.Based on a trusted data mechanism of blockchain and privacy computing,a computing node and a multidisciplinary educational data market model are established.Under this model,educational institutions connect big data systems to trusted computing nodes for data circulation,which can process educational data into data products and release them as data catalogs in the form of blockchain smart contracts.The publishing process will be verified and documented through the blockchain.Educational institutions are free to set up data markets for differentiated educational research,and allow computing nodes to join the data market on demand and publish the prepared data catalog.After the computing node is connected to the data market,it can obtain all the data catalogs in the market,and design the distributed directed acyclic graph algorithm of education data combined with its own data.The system completes the non-perceptive cross-domain secure and trusted calculation through the privacy computing and data circulation framework,thus completing the application of educational big data analysis across educational institutions.
data circulationbig datablockchaintrusted mechanismprivacy computing
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