ROPSTEN_URL=https://eth-ropsten.alchemyapi.io/v2/<YOUR ALCHEMY KEY>
PRIVATE_KEY=0xabc123abc123abc123abc123abc123abc123abc123abc123abc123abc123abc1
INFURA_PROJECT_ID=<YOUR INFURA PROJECT ID>

BSCSCAN_API_KEY=ABC123ABC123ABC123ABC123ABC123ABC1
POLYGONSCAN_API_KEY=ABC123ABC123ABC123ABC123ABC123ABC1
ETHERSCAN_API_KEY=ABC123ABC123ABC123ABC123ABC123ABC1