In the previous chapter, I covered basic concepts related to blockchain and the pieces that make up an individual blockchain. I covered how blockchain technology solved the double spending problem by utilizing a P2P network, which led to the creation of a global distributed shared ledger and digital cash. The blockchain P2P network is stitched together by connecting multiple nodes, and in this chapter, you will be taking a closer look at the nodes that make up the network.
The nodes or peers are machines that maintain the transactions and records on the blockchain network. Each cryptocurrency has its ...