Nowadays, the popularity of encrypted digital art makes NFT rising again and even hotter than 2017. Leading by major projects such as NBA Top Shot, CryptoPunks and Decentraland, NFT has achieved rapid growth.The rise of NFT will likely bring a new round of opportunities in the field of games, virtual real estate, and Metaverse. In the Metaverse world, CU IDcard is the bridge linking NFT and Metave