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Accessing the Blockchain through an API

Building a BlockchainIn the previous chapter, we built the beginnings of our blockchain data structure. In this chapter, we're going to be building an API that will allow us to interact with our blockchain. To build the API, we will be creating a server using the Express.js library, and then we will be building three different endpoints that will allow us to interact with our blockchain.

Let's get started and build our API from scratch. In this chapter, we are going to cover the following topics:

Setting up Express.js
Building the API foundation
Installing Postman and body-parser
Building the /blockchain endpoint
Building the /transaction endpoint
Building the /mine endpoint
Testing the endpoints ...

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