When using this type of blockchain, the consensus process is controlled by a (pre) selected set of nodes. You can say that a consortium blockchain is partially private. For example, imagine a consortium of seven entities, consisting of four ministries (or departments), a regulator node, and two validator nodes, in which five nodes need to verify (sign) every block in order to be valid. Consortium blockchains fall into the category of permissioned blockchains. They differ solely based on the built-in presence of an access controller layer in the node software. Permissions to read may be public or restricted to any of the participants, and together with API restrictions, it is possible to limit the number of queries that ...
Consortium blockchain
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