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IEEE/ICACT20230046 Question.1 Questioner: fialle@g.skku.edu 2023-02-21 오후 7:48:57	IEEE/ICACT20230046 Answer.1 Answer by Auhor nanduris@cdac.in 2023-02-21 오후 7:48:57
In the proposed model, sensitive data are stored in the blockchain. The integrity of these data is guaranteed by the blockchain. How can it guarantee the confidentiality of these sensitive data stored in the blockchain?	The data that is stored in the Blockchain network can be accessed only by authorized users only as Hyperledger Fabric is a permissioned network. Its not only the user authorization even the application that is used to fetch data from Blockchain also needs to be registered with the system then only authorized users communicating through already registered applications only will be allowed to access the data.

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