If we have to pick a keyword that represents 2021, of course it would be NFT. NFTs are unique and non-fungible, and are tokenized digital assets on the blockchain that represent specific assets. In the sense that finiteness is given to the infinite digital world, it makes the unclear assets existing in the digital world clear and unique assets.
Using NFT technology, characters or items with unique color and shape characteristics are created by genetic information that is stored in a smart contract and cannot be changed. It becomes possible to exercise rights over digital assets, such as owning or selling them. This provides a clue to solve the problem of ownership of digital assets in the game, which has been considered a difficult barrier to solve in the item transaction issue, which is recognized as one of the important business models of the game industry.