See presentation to understand more.

To run it locally copy example.env to .env and set all variables. After that open terminal and try running some of the following tasks:

npx hardhat compile
npx hardhat run scripts/deploy.js --network sepolia

Go to artifacts\contracts\UniversityDegreeToken.sol\UniversityDegree.json and copy abi to abi.json, save it in project directory.

cd 4end

Open 4end\src\configuration\Config.ts and put into CONTRACT_ADDRESS and CONTRACT_OWNER addresses from deploy command.

Finally

npm i
npm run dev