# What are NFTs (digital items)?
## ๐จ What Is a Non-Fungible Token (NFT)?
A **Non-Fungible Token (NFT)** is a **unique digital token** that exists on a blockchain like Ethereum. Unlike cryptocurrencies such as Bitcoin or Ether โ which are *fungible* and identical to one another โ each NFT is **one-of-a-kind** and contains **unique identifying information**.
This makes NFTs ideal for digital items that require **individual ownership, authenticity, and scarcity**.
***
### ๐ Fungible vs. Non-Fungible: What's the Difference?
* **Fungible tokens** (like 1 ETH or 1 USD) are interchangeable โ it doesnโt matter which one you have; theyโre equal in value.
* **Non-fungible tokens** are **not interchangeable** โ each has distinct value, purpose, and metadata.
#### ๐ก Real-World Analogy:
* Two $1 bills can be swapped with no difference in value โ this is fungibility.
* But you canโt trade a **baseball card** for someoneโs **birth certificate** and call it even โ both are unique. Thatโs non-fungibility.
***
### ๐งฉ Why Are NFTs Important?
NFTs enable **verifiable digital scarcity** โ meaning a digital file can now be:
* **Owned** by a specific wallet
* **Proven authentic** via blockchain history
* **Traded or sold** just like physical goods
***
### ๐ฎ Popular Use Cases of NFTs
#### 1. **Gaming & Collectibles**
* NFTs can represent **in-game assets** that belong to the player, not the game studio.
* These assets can be transferred, traded, or even used across different games.
#### 2. **Digital Art**
* Artists use NFTs to sell original digital works with **proof of ownership**.
* NFTs prevent unauthorized duplication and help creators monetize their work directly.
#### 3. **Virtual Real Estate & Metaverse Items**
* Platforms like **Decentraland** allow users to own land, wearables, and avatars โ all as NFTs.
#### 4. **Real-World Applications (Future Potential)**
* Imagine proving ownership of a luxury bag by scanning its NFT.
* Or replacing barcodes with NFTs that verify origin, authenticity, and ownership history.
> ๐ The future of NFTs goes far beyond collectibles โ from **supply chains** to **identity verification**, the possibilities are vast.
***
### ๐ ๏ธ Is an NFT the Same as an ERC-721?
Yes โ on Ethereum, NFTs typically follow the **ERC-721 standard**, which defines how non-fungible tokens should behave.
* ERC-721 is the **most widely adopted NFT standard**
* Projects like **CryptoKitties**, **Decentraland**, and **Mintable** use it
* Mintable mints all NFTs as **ERC-721 tokens** on the Ethereum blockchain
> ๐ง ERC-721 ensures your NFT is compatible with wallets, marketplaces, and explorers across Ethereum.
***
### ๐ The Rise of NFTs
NFTs first gained global attention with **CryptoKitties** in 2017 โ a blockchain-based game where users collected and bred digital cats. The project raised over $12.5 million and temporarily clogged the Ethereum network due to demand.
Since then, NFTs have become central to the growth of:
* Digital art markets
* Metaverse economies
* Creator monetization tools
* Next-gen Web3 experiences
***
### ๐ Are NFTs Just a Fad?
Far from it.
NFTs are poised to become the **next wave of blockchain adoption**, with applications limited only by the creativity of developers, artists, and businesses.
From collectibles to contracts, luxury goods to digital identities โ NFTs have the potential to change the way we interact with **ownership, verification, and value** on the internet.
{% hint style="info" %}
Read more about NFTs in our [editorial NFT Basics series](https://editorial.mintable.app/category/guides/nft-basics/).
{% endhint %}
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