A cryptographic token called a non-fungible token (NFT) stands in for a certain kind of asset. NFTs are tokenized copies of assets that are either digital or physical. Within a blockchain network, they serve as irrefutable evidence of validity and ownership. NFTs provide scarcity to the digital realm because they cannot be interchanged with one another. The characteristic of an asset whose individual units are replaceable and almost identical to one another is referred to as fungibility. For instance, all fiat money is interchangeable. Each individual unit must be interchangeable with any other identical individual unit in order to function as a medium of trade. A real one-dollar bill can be exchanged for any other one. Decentralized applications (DApps) can make use of NFTs to enable the creation and ownership of one-of-a-kind digital goods and collectibles. It is important to note that each NFT has a different value even though they can all be sold on public marketplaces that bring buyers and sellers together. A number of frameworks have been developed to make the issuance of NFTs easier. The most well-known of these is ERC-721, a protocol for the creation and exchange of non-fungible assets on the Ethereum blockchain. The ERC-1155 standard, which is more contemporary and better, allows for the inclusion of both fungible and non-fungible tokens in a single contract. Because NFTs are becoming more standardized, there is a higher level of interoperability, making it easier to move unique assets between applications. NFTs have the potential to be one of the main elements of a brand-new digital economy powered by blockchain. They could be applied to a wide range of industries, including fine art, video games, digital identification, licensing, certificates, and even partial ownership of goods. By managing and storing ownership and identifying information in a trustless, easy-to-transfer format on the blockchain, trade friction and the size of the global economy might be reduced.