OUR Token
nvm use v14.17.5
npm install
npx truffle compile
npx truffle migrate
npx truffle console
npx truffle test
npx truffle run coverage
https://forum.openzeppelin.com/t/verify-smart-contract-inheriting-from-openzeppelin-contracts/4119
npx truffle run verify OUR@${contract_address} --network ropsten