This game serves as a trade platform as well. The purpose of this cat game was to offer newcomers an understanding of how cryptocurrencies, namely Ethereum, function. However, it has turned out to be one of the most profitable enterprises. The platform is accessible via the website, and the Metamask plugin is required. Cryptokitties are virtual kittens with various qualities (each with its own worth); the rarest traits are the ones they desire the most and are thus the most marketable with Cryptokitties at the best price. Because all attributes are recorded in an individual token on the Ethereum blockchain, each Cryptokitties token will have a unique value. ERC-721 coins would be created from Cryptokitties.