Digital collection transaction method and system based on NFT

The invention relates to a digital collection transaction method and system based on NFT, natural resources are converted into digital collections, the digital collections are sold on an NFT platform based on a block chain network, on one hand, ownership certificates with non-homogenized tokens as credential types can be provided for collection data by utilizing the characteristics of decentralization and tampering prevention of a block chain, and on the other hand, the digital collections are sold on the NFT platform based on the block chain network; the data are stored and distributed in a distributed manner and the like, and the uniqueness of the data is ensured and cannot be tampered; and on the other hand, by utilizing the characteristics of the NFT, collection data only existing in a digital space can be identified and managed, and the digital form of a real article in the real world can also be associated, so that the possibility of interaction with reality exists. In general, the NFT digital collectio