Understanding Non-Fungible Tokens (NFTs)

evolved from the ERC-721 standard. Developed by some of the same people responsible for the ERC -20 smart contract, ERC-721 defines the minimum interface—ownership details, security, and metadata—required for the exchange and distribution of gaming tokens. The ERC-1155 standard takes the concept further by reducing the transaction and storage costs required for NFTs and batching multiple types of non-fungible tokens into a single contract.

NFTs have the potential for several use cases. For example, they are an ideal vehicle to digitally represent physical assets like real estate and artwork. Because they are based on blockchains, NFTs can also work to remove intermediaries and connect artists with audiences or for identity management. NFTs can remove intermediaries, simplify transactions, and create new markets.

Much of the current market for NFTs is centered around collectibles such as digital artwork, sports cards, and rarities. Perhaps the most hyped space is NBA Top Shot, a place to collect non-fungible tokenised NBA moments in digital card form. Some of these cards have sold for millions of dollars.2 Recently, Twitter's Jack Dorsey tweeted a link to a tokenised version of the first tweet ever, in which he wrote: "just setting up my twitter." The NFT version of the first-ever tweet sold for more than $2.9 million.

Why NFTs Are Important

Non-fungible tokens are an evolution of the relatively simple concept of cryptocurrencies. Modern finance systems consist of sophisticated trading and loan systems for different asset types, ranging from real estate to lending contracts to artwork. By enabling digital representations of physical assets, NFTs are a step forward in the reinvention of this infrastructure.

To be sure, the idea of digital representations of physical assets is not novel nor is the use of unique identification. However, when these concepts are combined with the benefits of a tamper-resistant blockchain of smart contracts, they become a potent force for change.

Perhaps, the most obvious benefit of NFTs is market efficiency. The conversion of a physical asset into a digital one streamlines processes and removes intermediaries. NFTs representing digital or physical artwork on a blockchain remove the need for agents and allow artists to connect directly with their audiences. They can also improve business processes. For example, an NFT for a wine bottle will make it easier for different actors in a supply chain to interact with it and help track its provenance, production, and sale through the entire process. Consulting firm Ernst & Young has already developed such a solution for one of its clients.

Non-fungible tokens are also excellent for identity management. Consider the case of physical passports that need to be produced at every entry and exit point. By converting individual passports into NFTs, each with its own unique identifying characteristics, it is possible to streamline the entry and exit processes for jurisdictions. Expanding this use case, NFTs can serve an identity management purpose within the digital realm as well.