Developers that already have an ERC-20 token deployed on Ethereum and would like to move to Base should go through only a simple verification process in order to be listed in a special token list on Base. Indeed it exists a list that tracks all the tokens deployed on both the Base network and OP Mainnet called Optimism Superchain token list.
For adding the token to this list you need:
- Deploy the token on Base using a bridging framework. There are several ways to do this but for smoothing the approval process to the list it's recommended to use Base's standard bridge contracts and furthermore deploy your token using the OptimismMintableERC20Factory. More here.
- Make a sumbission for your token to be inserted in the Superchain token list following instructions on github.
- Await for the approval.