20 /100

Where is the kitty's attributes?

Off blockchain

Where is it stored?

The kitty's attributes is hosted on a private server owned by Cryptokitties.

Can Cryptokitties alter or delete the kitty's attributes?

Yes, at anytime.

What if Cryptokitties website is offline?

You lose your kitty

Here are the elements you can retrieve

  • kitty genes
  • other data

Here are the elements you lose

  • kitty picture
  • kitty's attributes

Good points 👍

  • Cryptokitties chose to put the kitty genes and the other data in token, on the blockchain. That ensures you own the data at any time.
  • If Cryptokitties dies & Ethereum survives, you will be able to retrieve this data.

Bad points 👎

  • The kitty picture and the kitty's attributes are hosted on a server owned by Cryptokitties.
  • This data can be altered or deleted by Cryptokitties at any time.
  • It would be highly appreciated if Cryptokitties hosted this data on Blockweave or IPFS.
  • It would be appreciated if Cryptokitties would create documentation (article or video) that explains how users can retrieve the kitty outside the platform.
  • It would be appreciable if CryptoKitties made public the algorithm to generate cats from DNA.
This audit has been performed by a human and the grade is based on the Utility / Entertainment scheme.
Written on-chain Hosted on Blockweave Hosted via IPFS Hosted via CDN Hosted on a server Not referenced
Kitty's attributes (text) 60 50 30 5
0 Main data
Kitty picture (computed media) 20 15 10 5
0 Secondary
Kitty genes (text)
5 5 0 0 0 Other
smaller score chosen
Other data (text)
5 5 0 0 0
There is no documentation that explains how users can retrieve the NFT assets. +0
total 20
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