Introduced in 2017, the ERC-721 is an extension of the ERC protocolERC stands for Ethereum Request for Comments. ERC is a protocol that allows for the proposal of improvements to the... Read More and a standard for non-fungible tokens on the Ethereum blockchainThe Ethereum blockchain is a decentralized distributed public ledger maintained by a distributed network of computers, the Ethereum network. The... Read More. Unlike ERC-20ERC-20 is an extension of the ERC protocol and defines a set of rules that all Ethereum tokens must follow,... Read More tokens, which are interchangeable, each ERC-721 tokenTokens are created and distributed on a blockchain and can represent a variety of assets or utilities, including commodities, loyalty... Read More is unique, making them more appealing. The ability to create digital assetsDigital assets are items of value that can be stored and traded electronically, including cryptocurrencies, tokens, smart contracts, and other... Read More of this type allows developers greater flexibility in representing items such as collectibles, gaming properties, pieces of artwork, or real estate.