Blockchain for beginners: build certificate registration DApp
We briefly cover the philosophy of the blockchain and Ethereum. Then we will explain how blockchains work, what is Decentralized App and how smart contract communicates with DApp. We set up the easy development environment, including tools that can be used with minimum steps and the biggest part of the course is dedicated to guiding you through a simple Decentralized App. We also covered the following concept of Ethereum, Account, Gas, Smart Contract, Decentralized App, Blockchain, Bitcoin, Solidity, Web3.js and Ropsten Testnet. What tools and libraries are used?