Collect Unique Kittens


Getting Started

To start playing CryptoKittens you need:

  • Chrome or Firefox (MetaMask extension support)
  • MetaMask setup with a ETH wallet
  • Some ETH to help fund your purchases

In order to buy contracts and sell your contracts, you’ll need to install the digital wallet Metamask on your Chrome or Firefox browser and load it up with ether.

  • Go to Google Chrome Store and click “Add to Chrome”.
  • Click “Add Extension” on the pop-up.
  • Set up your MetaMask account.
  • Copy your 12 seed words and file them away somewhere safe (this helps to secure your account).
  • For security purposes, MetaMask browser extension will sometimes request that you log back in to your account. If you see a lock screen on when using the game of CryptoKittens, this security precaution is probably cause – just click on the MetaMask or Mist extension, log back in to continue.

There are two common ways to add ether to your wallet.

  • The most common way is to buy Ether through an exchange such as Coinbase, Bitstamp or similar. As soon as that is done, transfer the funds to your MetaMask or Mist wallet using the wallet in the exchange of your choice.
  • You can also buy ether directly in MetaMask. This, however, is only possible for US citizens.

If you already own Ether you can transfer funds directly to your MetaMask or Mist wallet by copying the wallet address. In the exchange wallet you then simply paste that address and send the funds.

What is CryptoKittens?

CryptoKittens is a game about buying internet personalities on the Blockchain and earning Ether while doing so. Every Kitten is represented as a CTUBE token and each one of these token is unique per kitten. Once you buy a kitten you take ownership of the token associated with that personality. If someone buys your Kitten, you lose ownership but earn a return of investment from its purchase that automatically goes back to your wallet. So in short terms, it is a game that earns you Ether the more you play it.

Open the marketplace tab and view all the Kittens that are available for purchase. As soon as you find a Kitten you are interesting in, click on it to buy it. The game (dApp) will tell you what to do to complete your purchase. When the transaction is completed, you will be the sole owner of that Kitten token!

If someone wants your Kitten and have enough funds to buy it, they are able to. But on the upside, you will earn back your investment and some more from the purchase!

No. Because CryptoKittens runs on the same blockchain technology used by Ethereum, Ether is the only currency you can use to purchase Kittens. You can convert your standard currency into Ether through an exchange.

You can think of Kitten smart contract tokens as collectibles – the new version of baseball cards or artwork. Their value based on their desirability. You can make money on CryptoKittens smart contract tokens by selling the tokens in game and receiving a higher ETH amount than you originally invested. But this of course depends on the market, so please keep in mind that there are not guarantees someone will buy a Kitten from you.

We (the developers) take a very small cut of each transaction. The cut of the transaction depends on the value of the transaction and is transparently disclosed in the smart contract code and can also be found here.

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