International Business Machines Corporation
Information management and access control in a database

Abstract:

An example operation may include one or more of receiving a request to create a second blockchain in a network that includes a first blockchain, sending a message to one or more validating peer nodes in the network, the one or more validating peer nodes corresponding to a subset of validating peer nodes of the network that have access to the first blockchain, the message requesting authorization for the second blockchain, analyzing responses to the message from the subset of validating peer nodes, and authorizing creation of the second blockchain based on the analyzed responses.