Non-fungible tokens (NFTs), often referred to as crypto collectibles, expand this idea. Unlike cryptocurrencies, where each token is equal, non-fungible tokens are unique and limited in quantity.

NFTs are a key building block in a new, blockchain-powered digital economy. Numerous projects have experimented with NFTs in a variety of use cases, including gaming, digital identity, licensing, certificates, and fine art. What’s more, NFTs even allow for fractional ownership of high-value items.

NFTs have become much easier to issue, and we’re seeing increasing amounts minted daily.  This article will dive into what NFTs are, what they can be used for, and how a game called CryptoKitties congested the Ethereum blockchain in late 2017.