There is some more information on verification here: How to verify a contract on Etherscan/BscScan/PolygonScan
Consider using Hardhat and the hardhat-etherscan plugin (as mentioned in the link above) which makes it easier to verify.
There is some more information on verification here: How to verify a contract on Etherscan/BscScan/PolygonScan
Consider using Hardhat and the hardhat-etherscan plugin (as mentioned in the link above) which makes it easier to verify.