Represents one authority in the committee.
Each authority is uniquely identified by its AuthorityIndex in the
Committee. AuthorityIndex is between 0 (inclusive) and the total number of
authorities (exclusive).
Authority key represents the identity of an authority. It is only used for
identity sanity checks and not used for verification.
Committee is the set of authorities that participate in the consensus
protocol for this epoch. Its configuration is stored and computed on chain.
Network key is used for TLS and as the network identity of the authority.
Operational configurations of a consensus authority.
Protocol key is used for signing blocks and verifying block signatures.