Contract are depployed and configured (ABI). To interact with the rinkeby testnet blockchain please make sure:

  1. Be connected to rinkeby in MetaMask
  2. Have some test Eth -> https://faucets.chain.link/

If deployed any changes (new contracts), re-deploying make sure to:

  1. Update smartContract ABI in the frontend
  2. Update smartContract address in the frontend