env
file or an online secret manager. If you are unsure about the best ways to store sensitive information like RPC URLs or private keys, feel free to check out our guide on the proper ways of storing environment variables.
For now, just remember to carefully update your environment variables, especially the RPC URL and the private key.
block.difficulty
or block.chainid
. These values change from one network to another. You can check out Sepolia’s metadata on GitHub.
Once you have made sure that your smart contract is ready to go, just redeploy your smart contract on Sepolia.
env
variables.