Now that we have all the elements to set up a blockchain node and the genesis block of the network, let’s put things together and start our blockchain private network.

Node’s address

In Ethereum, a node in the network is univocally identified by its enodeAn enode is a way to identify an Ethereum node using a URL address format. address. It’s used to establish peer-to-peer connections between nodes and to share information about the state of the blockchain.

In Geth, an enode address is represented as a string of the form:

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