Since the NFT upsurge swept the world starting in 2021, it has become clear that NFT has changed many industries or market applications: in art-related fields, the NFT upsurge has not only stimulated a boom in digital art but has also changed the way and form of collecting artworks; in the social and community sectors, many communities are using NFT avatars to rally the crowd or form decentralized autonomous organizations (DAOs); and in the gaming sector, the rise of blockchain games has been...