CryptoKitties is a game on Ethereum blockchain. It allows players to purchase, acquire, rear and trade virtual cats. All cats are are unique in the game.
It is one of the earliest attempts to use blockchain technology for entertainment.
The first test version of the game was released in 2017, and later that year, a cryptokitty sold for more than $100,000. The ownership of cryptokitties can be monitored through a smart contract on Ethereum blockchain.
The average price for a CryptoKitty is less than 5 dollars, but notwithstanding, the network is still generating more in transactions than similar digital games.
The game caused an increase in pending transactions on Ethereum, it even accounted for over 10% of network traffic on Ethereum and as traffic increases at one stage, transactions then became more expensive to execute on time. This has made other major players looking for alternatives to Ethereum and moving to different systems