5 min read

What Are NFTs?

Non-fungible tokens and digital ownership: what makes NFTs unique and how they are used.

Understanding NFTs

NFT stands for Non-Fungible Token. "Non-fungible" means that each token is unique and cannot be exchanged on a one-to-one basis with another token. This is unlike cryptocurrencies such as Bitcoin or Ethereum, where one coin is interchangeable with another of equal value.

NFTs are digital certificates of ownership stored on a blockchain. They can represent ownership of virtually any unique item: digital art, music, videos, virtual real estate, in-game items, event tickets, and more.

How Do NFTs Work?

NFTs are created (or "minted") through smart contracts on blockchain platforms, most commonly Ethereum. When an NFT is minted, the smart contract assigns a unique identifier to the token and records the creator and owner on the blockchain.

  • Provenance: The blockchain provides a complete, verifiable history of every NFT, from creation through every subsequent sale or transfer.
  • Scarcity: Creators can limit how many editions of an NFT exist. Some are one-of-one, while others may have multiple editions.
  • Royalties: Smart contracts can automatically pay the original creator a percentage every time the NFT is resold on secondary markets.
  • Interoperability: NFTs following common standards (like ERC-721 or ERC-1155) can be traded on any compatible marketplace.

Common Use Cases

  • Digital Art: Artists can sell their work directly to collectors without galleries or auction houses taking large commissions.
  • Gaming: In-game items, characters, and virtual land can be tokenized as NFTs, giving players true ownership and the ability to trade assets across games.
  • Music and Entertainment: Musicians can release limited-edition tracks or albums as NFTs, often with exclusive perks for holders.
  • Identity and Credentials: NFTs can represent diplomas, certifications, memberships, or event tickets in a tamper-proof format.

Key Takeaways

  • NFTs are unique digital tokens that prove ownership of a specific item on the blockchain.
  • Each NFT has a verifiable history of creation, ownership, and transfers.
  • Common use cases include digital art, gaming items, music, and identity credentials.
  • Creators can earn automatic royalties on secondary sales through smart contracts.
  • Before purchasing an NFT, research the project, creator, and marketplace carefully.