In, such keys are used to create and represent the addresses, and (and their combinations) for users and their wallets, network, and even the various objects like and nodes on the blockchain network depending upon the configuration of the blockchain being used. Such keys are used intrinsically by the blockchain network to authenticate a genuine user, buyer, address, or a transaction.
DEFINITION of 'Key Generator (KeyGen)' A key generator, dubbed KeyGen, is a cryptographic tool that is used to generate unique keys or codes for products, services, nodes and addresses on a distributed ledger like a network.