One could argue that NFTs (nonfungible tokens) have existed since 2012, when they were first introduced. For instance, the inception of “Coloured Coins” in 2012 may have laid the groundwork for NFTs today, as this project demonstrated how the (BTC1) Blockchain Could be used to facilitate transactionsFor real-world assets

We now find ourselves in 2017, when CryptoKitties was one of the most widely-used decentralized apps, or DApps ever created. CryptoKitties began as Ryan Hoover describes it in 2017., founder of Product Hunt, as “the first Ethereum-based decentralized Pokemon-like game, in which users can collect and breed digital kittens.”