Solidity Courses : Questbook
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You get this badge if you have completed at least one Questbook Solidity based courses at https://openquest.xyz. Number of tokens amount to number of courses you have done. Questbook is a Decentralized University where learning is always free. Get started with Web 3.0 along with 10,000+developers who are building on Web 3.0, earning crypto & NFTs along the way.