CryptoKitties: born on Ethereum, now on FlowĬryptoKitties was originally built on top of the Ethereum blockchain.

Then click on 'Sire with my Kitties,' and pick a cat to act as Dame hit 'OK, give them some privacy' to open up a transaction window, and soon you'll have your very own bouncing baby CryptoKitty.Īlternatively, you can breed one of your cats with a public sire, which will incur a small transaction fee. To breed two Kitties you own together, click on one of them in your litter, and then click the 'Breed' button that pops up this will be the Sire. You can also bid on a CryptoKitty if it isn't up for sale, but it's up to the owner to decide whether they want to accept or not.

Then, all you need to do is head on over to the CryptoKitties marketplace, create an account, pick a cat that takes your fancy and click 'buy now.' Assuming you've got enough ETH in your wallet, you'll be greeted with a Dapper transaction window where you can finalize your purchase.

To get your hands on your own CryptoKitty, you'll need a couple of things: a computer or mobile device, a cryptocurrency wallet such as MetaMask, and some Ethereum. How do I buy a CryptoKitty? The CryptoKitties marketplace. Its visual appearance, or phenotype, is determined by the immutable genotype stored in the smart contract. Any two CryptoKitties can be bred using a genetic algorithm, an offspring is produced with its own unique traits (or 'cattributes'). ERC721 allowed for the creation of unique, non-fungible tokens.ĬryptoKitties was originally designed to explore the concept of digital scarcity, using smart contracts and ERC721 tokens.Įach CryptoKitty is unique and has its own digital genome, stored in a smart contract. Before the existence of ERC721, tokens on blockchains were fungible, or interchangeable any one Bitcoin or Ethereum token is identical to any other. How do CryptoKitties work?ĬryptoKitties are non-fungible tokens, originally built on the Ethereum blockchain using the ERC721 token standard. But CryptoKitties has one key difference up its sleeve: each CryptoKitty is completely unique, represented on the blockchain by a non-fungible token (NFT).Ī pioneering example of the technology, it captured the imagination of the crypto community with a fun and tangible example of what you can create using distributed ledger technology.

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