Block explorer for Ethereum Mainnet, Rinkby and Ropsten, built using React
create a .env file within the client folder with the following variables:
REACT_APP_RINKBY_URL=<your url>
REACT_APP_MAINNET_URL=<your url>
REACT_APP_ROPSTEN_URL=<your url>
ALCHEMY urls were used during development/testing, but Infura should work as well.