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Private blockchains protect networks internally, preventing external users from accessing or adding data. When the internal protection fails, external users can access information on private blockchains freely.
As companies usually build private blockchains for storing confidential data, the function of a private blockchain can avoid servers¡¯ misfunctions that stop the users who genuinely need to access important data.
The setup of private blockchains allows specific groups of users to access data; therefore, it is necessary to develop more authentication methods and protection measures to secure the safety of private blockchains.
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