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That's actually a horrible use case, becayse, while it is essential that covered entities track and be accountable for access to a record, the details of that access itself leak information to which access should be minimized, but instead it unnecessarily leaks across organizational boundaries to people who have no legitimate need for it.


Not all parties have the access to the plaintext of all messages on the chain. An example of such a permissioned blockchain is JP Morgan's Quorum.

Nodes can participate in establishing consensus without having the ability to decrypt the record.




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