Smart Contract ERC721 and ERC20

Need an expert blockchain developer to update ERC721 to do following:
1. Add metadata field that is hashed using keccak256
2. Limit all transactions to our ERC20
3. Comply w/Openzeppelin Solidity Compiler Audit

Need an expert blockchain developer to create ERC20 to do following:
1. Mint token
2. Comply w/Openzeppelin Solidity Compiler Audit

Moralis backend. Deploy on Polygon.