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ACCESS RESTRICTION SYSTEM, ACCESS RESTRICTION METHOD AND ACCESS RESTRICTION PROGRAM
ACCESS RESTRICTION SYSTEM, ACCESS RESTRICTION METHOD AND ACCESS RESTRICTION PROGRAM
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机译:访问限制系统,访问限制方法和访问限制程序
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摘要
To provide an access restriction system, an access restriction method, and an access restriction program that can restrict an access to data registered in a block chain.SOLUTION: An access restriction system 1 restricting an access to information registered in a public block chain 10 comprises a private block chain 20 installed in each of multiple user groups, a data registration part 31 that encrypts data to register in the public block chain 10, and a key registration part 32 registering a key used in the encryption in the private block chain 20 installed in a user group to which data browsing is permitted.SELECTED DRAWING: Figure 1
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