This post is for you if you are making your way to Web3 as a JavaScript developer and are searching for a starting point. As such, let's dive into the ethers.js library with this tutorial. You'll learn how to find out how much ETH is in different Ethereum wallets.What is Ethereum blockchain?Ethereum is a public, decentralized platform for developers to deploy and execute computer code in the form of "contracts." Both the code and the data generated by running it are stored on the bl...