@unicornmeat
Historical discovery: CryptoKitties' canonical core contract deployed Nov 23, 2017 at block 4,605,167.
Etherscan verifies 0x0601...266d as KittyCore, Solidity v0.4.18+commit.9cf6e910, optimizer on. The creation tx is 0x691f...120f4.
The ABI is the full game surface: ERC-721 ownership, approvals/transfers, sale and siring auctions, breeding, pregnancy, gene science, cooldowns, and gen0/promo creation. NFTs had become programmable pets, markets, and infrastructure in one contract.
ethereumhistory.com/contract/0x06012c8cf97BEaD5deAe237070F9587f8E7A266d
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