November 28, 2017
CryptoKitties launches on Ethereum
Dapper Labs launched CryptoKitties on November 28, 2017 — collectible NFTNon-fungible token — a blockchain record proving ownership of a unique digital asset. cats that congested Ethereum with breeding and trading transactions.
What it was for
Each kitty was an ERC-721-style unique token; viral demand spiked gas prices and made mainstream news. The game showed blockchains could carry consumer collectibles — and that scaling layer-1 for games required sidechains or rollups.
Why it's here
CryptoKitties was the first NFTNon-fungible token — a blockchain record proving ownership of a unique digital asset. craze to hit the mainstream press.
Why it mattered
It proved unique on-chain assets could drive consumer demand and network congestion.
What it solved
Developers needed a template for non-fungible digital goods beyond ERC-20 coins.
Media
- ImageCryptoKitties
GitR0n1n, Public domain, via Wikimedia Commons
Related
- Ethereum mainnet launchesJuly 30, 2015
- ERC-20 token standard finalizedNovember 19, 2015
- Beeple NFT sells for $69 million at Christie'sMarch 11, 2021