In the new social form of the metaverse, NFT is the core element supporting the economic system. Through digital asset confirmation and value measurement, transaction circulation and value transfer in the metaverse are realized. NFT is also an encrypted digital certificate that can record the ownership of virtual digital assets such as art or collectibles. NFT can realize the copyright rights of digital assets, empower the transaction and circulation of digital assets, and provide users with collectability, investment and functionality. With a variety of consumer values, NFT is an important underlying facility that constitutes the metaverse economic system.

NFTs have the following characteristics: 1. Unique: Each NFT has a unique and unique code to prove the ownership of the corresponding digital asset. Even if a document can be copied and distributed multiple times on the Internet, there is always only one original document. 2. Inseparability: NFT is complete as a record certificate of digital assets. One unit of Ether is allowed to be split into two 0.5 units of Ether for sale, and the transaction flow of an NFT asset must be carried out in its entirety. 3. Programmability: Using smart contract technology, NFT's programmability creates richer application scenarios for it. Developers program NFT based on three protocol standards: ERC-721, ERC-998 or ERC-1155, which can flexibly set conditions and support personalized scenarios during transactions. 4. Permanent preservation: NFT is stored on a decentralized chain and cannot be lightened.

The metaverse is considered to be the development direction of the next generation of Internet. One of its key characteristics is its intention to establish a complete and mature economic system that interacts with reality and reality. NFT can solve the problem that virtual world assets can theoretically be infinitely replicated, protect scarcity and return to value itself. Industry insiders said that NFT has realized the ownership of digital assets and meets the needs of the virtual world economic system. Its copyright confirmation, transaction realization, and collection value have made NFT increasingly attracting market attention.

In addition, NFT expands digital assets from digital currency to various types such as text images, video and audio, and game props. Any digital content can be used in the form of NFT to asset abstract rights, assign property rights attributes, and realize clear price tags. In line with the development of blockchain technology, the circulation scope of digital content has been expanded after being linked, and the convenience and liquidity of transactions have been improved. Therefore, the expansion of tradable content and the gradual lowering of the threshold for NFT production and transaction have enabled professional teams, independent creators and ordinary people to participate in the production, distribution and transaction flow process of NFT. NFT and supporting industry systems have given It has strong mobility of virtual content and realizes value transfer.

At present, the development of the domestic NFT market is in a steadily rising stage. Since 2020, Internet platforms have successively entered. In recent years, the development of the overseas NFT market has led many domestic companies to follow the market and launch various NFT platforms. However, due to the different market environments at home and abroad, the path chosen by the NFT platform may differ from overseas models. Currently, most of the primary transactions of digital collections are the core, and there is a lot of potential space to explore. Moreover, if we develop in the direction of circulation and creators in the future, we can promote a new ecology in the industry.

The core feature of the metaverse is the creation of a virtual economic system in which every object and identity can be digitized and have real economic value. In this virtual environment, NFT provides a unique representation of digital assets. Currently, NFT has shown great potential in the metaverse era, fundamentally changing the ownership and transaction of digital content. By addressing current technical and legal challenges, NFT is expected to play a more important role in the metaverse economy, promoting the economic and social integration of the virtual and real worlds.