Client registration and enrollment

Although cryptographic material for organization users can be created statically using the cryptogen tool, we must build capabilities in the middleware to dynamically create user identities and credentials, and enable those users to sign in to the network to submit transactions and query the ledger state. These operations require the mediation of users with privileged access (or administrators), who must be created when fabric-ca-server is started. By default, an administrative user is given the ID admin and the password adminpw, which is what we will use for our exercise in this section. The network that we created and launched uses these defaults, and it is left to the reader to modify them in fabric-ca-server ...

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