CryptoKitties is a game centered around breedable, collectible, and oh-so-adorable.Etherscan NFT Tracker list the top NFT on Ethereum by transfers volume.If a Smart Contract implements the following methods and events it can be called an ERC-721 Non-Fungible Token ContractĪnd, once deployed, it will be responsible to keep track of the created tokens on Ethereum. It provides functionalities like to transfer tokens from one account to another, to get the current token balance of anĪccount, to get the owner of a specific token and also the total supply of the token available on the network.īesides these it also has some other functionalities like to approve that an amount of token from an account can be Nastassia Sachs in January 2018, is a Non-Fungible Token Standard that implements an API for tokens within Smart Contracts. The ERC-721 (Ethereum Request for Comments 721), proposed by William Entriken, Dieter Shirley, Jacob Evans, Uses the tokenId as input and outputs an image of something cool, like zombies, weapons, skills or amazing kitties! Prerequisites That said, a dapp can have a 'converter' that Yes! All NFTs have a uint256 variable called tokenId, so for any ERC-721 Contract, the pairĬontract address, uint256 tokenId must be globally unique.

Than another Token from the same Smart Contract, maybe due to its age, rarity or even something else like its visual. The ERC-721 introduces a standard for NFT, in other words, this type of Token is unique and can have different value This special type of Token has amazing possibilities so it deserves a proper Standard, the ERC-721 This type of Token is perfect toīe used on platforms that offer collectible items, access keys, lottery tickets, numbered seats for concerts and A Non-Fungible Token (NFT) is used to identify something or someone in a unique way.

Nft tokens list