In this project, it's time for to launch your own NFT collection and allow whitelisted users to mint during the presale.
There should only exist 20 Crypto Dev NFT's and each one of them should be unique. User's should be able to mint only 1 NFT with one transaction. Whitelisted users, should have a 5 min presale period before the actual sale where they are guaranteed 1 NFT per transaction. There should be a website for your NFT Collection.