In order to prevent known bad players from minting, you can also set up a blacklist with NMKR Studio
This sales condition allows you to upload a simple text file which contains the addresses that you want to be blocked from participating in your sales.
Create a blacklist
A blacklist is a simple text file with the ending .txt like you can create with any text editor software.
Write one address (no stake addresses) in each line and save the file. It does not need any special naming.