Upwork is looking for a Help with ERC721 Upgradeable (openzeppelin) based Solidity...

    We want to use NFTs as custody certificates for physical goods.

    The code is already prepared…

    Your tasks will be:

    • Answer questions in relation to solidity and smart-contracts

    • Fix errors preventing compilation in remix

    • Set up a testing environment

    • With APIs connect with our front-end