Mapping out the non-fungible token (NFT) ecosystem

Non-fungible tokens (NFTs) are tokenized, blockchain-based provably scarce, non-divisible collectible items. The first well-received game utilizing NFTs, CryptoKitties, boomed in popularity at the end of 2017.

After Dieter Shirley of AxiomZen proposed the ERC-721 non-fungible token standard, there was an eruption of games, collectibles, and infrastructure built around the NFT ecosystem.