---
title: "What is an NFT? Non-Fungible Tokens Explained with Examples"
date: 2026-04-13
author: "Barry Elad"
featured_image: "https://coinlaw.io/wp-content/uploads/2026/04/what-is-nft.jpg"
---

# What is an NFT? Non-Fungible Tokens Explained with Examples

A non-fungible token (NFT) is a unique cryptographic asset recorded on a [blockchain](https://coinlaw.io/blockchain-statistics/) that represents verifiable ownership of a specific digital or physical item, such as artwork, music, collectibles, or real estate documents.

## Key Takeaways

- **NFTs** are unique blockchain tokens that cannot be exchanged one-for-one like cryptocurrencies, making each token distinct and verifiable.
- The NFT market generated **$24.7 billion** in trading volume in 2022 before declining sharply, according to DappRadar tracking data.
- Most NFTs use the **ERC-721** standard on Ethereum, though alternatives like ERC-1155 support both fungible and non-fungible tokens in a single contract.
- NFT ownership is recorded on the blockchain, but the underlying asset (image, video, document) is typically stored off-chain using IPFS or centralized servers.
- Use cases have expanded beyond digital art into [real-world asset tokenization](https://coinlaw.io/asset-tokenization-statistics/), gaming items, event tickets, and identity verification.

## How Do NFTs Work?

### 1. Minting Creates a Unique Token

Minting an NFT is like registering a deed at a county clerk’s office. The creator uploads their asset (artwork, music, video) and deploys a smart contract that generates a unique token ID on the blockchain. This token ID acts as a permanent, tamper-proof certificate of authenticity that anyone can verify.

The most common standard for NFTs is **ERC-721**, defined in Ethereum Improvement Proposal 721. Each ERC-721 token has a unique *tokenId* within its smart contract, meaning no two tokens are identical. A newer standard, **ERC-1155**, allows a single contract to manage both fungible tokens (like game currency) and non-fungible tokens (like unique weapons), reducing gas costs for projects that need both.

### 2. Smart Contracts Enforce Ownership Rules

NFT smart contracts define who owns each token and how ownership can be transferred. Think of the smart contract as an automated notary: it verifies the seller actually owns the token, executes the transfer when payment is received, and records the new owner permanently on the blockchain. Many NFT contracts also include [royalty logic](https://coinlaw.io/nft-royalties-statistics/), automatically sending a percentage of every resale back to the original creator.

![NFT transaction flow in digital space](https://coinlaw.io/wp-content/uploads/2026/04/nft-transaction-flow-in-digital-space.jpg)

### 3. Metadata Links to the Actual Asset

The token on the blockchain stores a pointer (URI) to metadata that describes the asset: its name, description, and a link to the actual file. Most projects store these files on **IPFS** (InterPlanetary File System), a [decentralized storage network](https://coinlaw.io/decentralized-storage-statistics/), rather than on the blockchain itself. Storing large files directly on Ethereum would cost thousands of dollars in gas fees.

| NFT Standard | Blockchain | Key Feature | Use Case |
|---|---|---|---|
| ERC-721 | Ethereum | Each token is unique with its own tokenId | Digital art, collectibles, and domain names |
| ERC-1155 | Ethereum | Single contract handles fungible + non-fungible tokens | Gaming items, mixed asset collections |
| SPL (Metaplex) | Solana | Low-cost minting with compressed NFTs | Large-scale collections, loyalty programs |
| BRC-721E | Bitcoin | Ordinals inscriptions on Bitcoin satoshis | Bitcoin-native digital artifacts |
| FA2 (TZIP-12) | Tezos | Energy-efficient proof-of-stake minting | Eco-conscious art projects |

*Source: Ethereum Foundation, Metaplex Documentation*

## Why Do NFTs Matter?

NFTs solved a problem that digital creators had faced since the internet began: proving ownership and scarcity of digital content. Before NFTs, any digital file could be copied infinitely at zero cost. A JPEG, an MP3, and a video clip were all identical to their copies. NFTs introduced verifiable scarcity to digital assets by anchoring ownership to a blockchain record.

The implications extend well beyond art speculation. Real-world asset (RWA) tokenization uses [NFT technology](https://coinlaw.io/nft-market-growth-statistics/) to represent ownership of physical assets like real estate, luxury goods, and intellectual property on-chain. **Boston Consulting Group** projected the [tokenized asset market](https://coinlaw.io/tokenized-commodities-market-statistics/) could reach **$16 trillion** by 2030, suggesting that NFT technology may ultimately have a larger impact in traditional finance than in the digital art market, where it gained mainstream attention.

## Pros, Cons, and Risks

### Advantages

- **Verifiable ownership**: Blockchain records provide tamper-proof proof of authenticity and provenance.
- **Creator royalties**: Smart contracts can automatically pay creators a percentage on every resale.
- **Interoperability**: NFTs built on open standards can be used across multiple platforms and marketplaces.
- **Programmability**: Ownership can unlock access to communities, events, or digital experiences through token-gated content.
- **Global marketplace**: Creators can sell directly to collectors worldwide without galleries or intermediaries.

### Trade-offs and Risks

- **Speculation volatility**: NFT floor prices can drop **90%+** during market downturns, and many collections lose all trading volume.
- **Off-chain dependency**: If the server or IPFS node hosting the actual media goes offline, the NFT may point to nothing.
- **Copyright confusion**: Owning an NFT does not automatically grant copyright or reproduction rights to the underlying work.
- **Environmental concerns**: Proof-of-work minting consumed significant energy, though Ethereum’s shift to proof-of-stake in 2022 reduced this by **99.95%**.
- **Wash trading**: Self-trading to inflate volume artificially has been documented across major NFT marketplaces.

## Fungible vs Non-Fungible: What Makes NFTs Different

The word “fungible” means interchangeable. One dollar bill is identical in value to any other dollar bill. One Bitcoin is identical to any other Bitcoin. Fungible assets can be swapped freely because each unit is equivalent. Non-fungible means each unit is unique and cannot be substituted. A painting by Picasso is not interchangeable with a painting by Monet, even if they have the same market price.

| Property | Fungible Token (e.g., ETH) | Non-Fungible Token (NFT) |
|---|---|---|
| Interchangeability | Yes, each unit is identical | No, each token is unique |
| Divisibility | Yes (1 ETH = 10^18 wei) | No (whole tokens only, typically) |
| Standard | ERC-20 | ERC-721 or ERC-1155 |
| Primary use | Currency, payments, DeFi | Ownership, identity, collectibles |
| Value basis | Market supply and demand | Rarity, provenance, utility |

## Real-World Applications

### Digital Art and Collectibles

**Beeple’s** “Everydays: The First 5000 Days” sold for **$69.3 million** at Christie’s auction house in March 2021, marking the moment NFT art entered the mainstream consciousness. Beyond headline sales, NFTs have enabled thousands of independent artists to sell directly to collectors, bypassing traditional gallery systems entirely. Platforms like **OpenSea** and **Foundation** serve as open marketplaces where creators set their own terms.

### Gaming and Virtual Worlds

Games like **Axie Infinity** and **Gods Unchained** use NFTs to represent in-game items that players truly own. Unlike traditional game items that exist only on a company’s servers, NFT-based items can be traded on external marketplaces, used across compatible games, and retain value even if the original game shuts down.

### Scenario: Tokenizing a Real Estate Deed

A property developer in Miami wants to sell fractional ownership of a commercial building. They mint an NFT that represents the property deed, verified by a legal wrapper that links the on-chain token to the physical asset. Investors can purchase fractions of this NFT, each fraction representing a proportional ownership stake. Rental income is distributed automatically via a smart contract to all token holders based on their share. The entire ownership record, every transfer and every payment, lives on the blockchain, creating an auditable trail that traditional paper deeds cannot match.

![Real estate tokenization on blockchain](https://coinlaw.io/wp-content/uploads/2026/04/real-estate-tokenization-on-blockchain.jpg "Real estate tokenization on blockchain")

## Frequently Asked Questions (FAQs)

**What is the difference between an NFT and cryptocurrency?**Cryptocurrencies like Bitcoin and Ethereum are fungible, meaning each unit is identical and interchangeable. NFTs are non-fungible, meaning each token is unique with its own identity and metadata. You can trade one Bitcoin for another Bitcoin and have the same value. Two NFTs from the same collection can have vastly different values based on their individual traits and rarity.

 

**Do NFTs have any value beyond speculation?**Yes. NFT technology enables verifiable digital ownership, creator royalty enforcement, token-gated access, and real-world asset tokenization. **Boston Consulting Group** projects the tokenized asset market could reach **$16 trillion** by 2030. Practical applications include event ticketing, academic credentials, supply chain verification, and fractional real estate ownership.

 

**Can someone copy an NFT?**Anyone can copy the image or file an NFT that points to it, just like anyone can photograph a painting in a museum. The copy does not carry the blockchain record of ownership, provenance, or authenticity. The NFT itself (the token on the blockchain) cannot be duplicated. Ownership is what makes an NFT valuable, not the file it references.

 

**What happens to an NFT if the marketplace shuts down?**The NFT token itself lives on the blockchain independently of any marketplace. If OpenSea shuts down, your NFT still exists in your wallet and can be traded on any other compatible marketplace. The risk is with the media file: if it were stored on a centralized server rather than IPFS, the image or video could become inaccessible even though the token remains.

 

 

## The Bottom Line

NFTs introduced something genuinely new to the internet: provable digital scarcity. The speculative frenzy of 2021-2022 obscured the underlying technology’s potential, but the infrastructure NFTs built (token standards, marketplaces, royalty mechanisms) is now being applied to problems far larger than profile picture collections.

The data we’ve tracked across NFT market cycles points to a familiar pattern in technology adoption: the initial hype attracts speculators, the correction clears them out, and the builders who remain focus on practical utility. Real-world asset tokenization, verifiable credentials, and programmable ownership rights represent the next chapter for NFT technology, one measured by institutional adoption rather than floor prices.

Definition of Blockchain. Link to full glossary entry follows the description.**Blockchain**A distributed digital ledger that records transactions across a network, with each block cryptographically linked to the previous one for security.

[Read more](https://coinlaw.io/glossary/blockchain/)

Definition of Smart Contract. Link to full glossary entry follows the description.**Smart Contract**A smart contract is a self-executing program stored on a blockchain that automatically enforces agreement terms when predefined conditions are met, without intermediaries.

[Read more](https://coinlaw.io/glossary/smart-contract/)

Definition of DeFi. Link to full glossary entry follows the description.**DeFi**Decentralized finance leverages blockchain protocols and [smart contracts](https://coinlaw.io/glossary/smart-contract/) to enable lending, trading, and borrowing without banks or traditional intermediaries.

[Read more](https://coinlaw.io/glossary/defi/)

Definition of NFT. Link to full glossary entry follows the description.**NFT**A non-fungible token is a unique blockchain-based asset that verifies ownership of digital or physical items such as art, collectibles, or real-world assets.

[Read more](https://coinlaw.io/glossary/nft/)

Definition of ERC-721. Link to full glossary entry follows the description.**ERC-721**ERC-721 is Ethereumu0027s non-fungible token standard. Each token has a unique uint256 tokenId so assets like art, collectibles, and deeds can be uniquely owned.

[Read more](https://coinlaw.io/glossary/erc-721/)

Definition of Cross-Chain. Link to full glossary entry follows the description.**Cross-Chain**Cross-chain is the ability to move data or assets between separate blockchains via bridges, messaging protocols, or interoperability networks.

[Read more](https://coinlaw.io/glossary/cross-chain/)

Definition of Gas Fee. Link to full glossary entry follows the description.**Gas Fee**A gas fee is the transaction cost paid to Ethereum validators for the computational effort needed to process and confirm blockchain operations.

[Read more](https://coinlaw.io/glossary/gas-fee/)

Definition of ERC-20. Link to full glossary entry follows the description.**ERC-20**An Ethereum technical standard defining a common interface for fungible tokens, specifying six core methods and two events so wallets, exchanges, and contracts can interact with any token uniformly.

[Read more](https://coinlaw.io/glossary/erc-20/)