All things web3 related
npm install -g truffle
npm install -g @truffle/hdwallet-provider
truffle init
edit truffle.config.js -> version: "0.8.4"
truffle compile
truffle test
truffle develop creates local version blockchain (built-in of ganache)
Note: after deploying, the networks{} key in Inbox.json will change
migrate --reset
truffle migrate -f 2 --network rinkeby