What Is an NFT? A Complete Guide to Non-Fungible Tokens

What is an NFT?

An NFT, or non-fungible token, is a type of digital asset that represents ownership of a unique item—typically digital artwork, music, collectibles, or virtual property. Unlike a standard digital file, which can be copied or shared freely, an NFT is one-of-a-kind and traceable because it is secured on a blockchain.

The term "non-fungible" means the asset is not interchangeable with another asset of the same type. This differs from cryptocurrencies like Bitcoin, fiat currencies such as the U.S. dollar, or even commodities like gold, all of which are fungible.

For instance, you'd happily exchange one Bitcoin for another, but you cannot swap one NFT for another, as no two NFTs carry identical value or characteristics.

NFTs possess three core features that set them apart:

• Uniqueness—every NFT is different and carries unique metadata, such as the creator's details or a link to the digital content it represents
• Indivisibility—NFTs cannot be divided into smaller parts like cryptocurrencies (for example, one BTC equals 100 million satoshis). You either own the whole token or none of it
• Blockchain-based—NFTs exist on decentralized networks like Ethereum or Cronos, which record every transaction and ensure the authenticity, provenance, and ownership history of each token

These characteristics make NFTs ideal for certifying digital ownership and enabling the trade of rare or collectible assets online.

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How do NFTs work?

NFTs operate on blockchains—decentralized digital ledgers that record transactions securely and transparently. Each NFT is stored on a blockchain (commonly Ethereum or Cronos), containing metadata and unique identifiers that distinguish it from every other NFT. This setup allows anyone to verify the ownership and transaction history of an NFT, making forgery or duplication extremely difficult.

Smart contracts are a key component. These self-executing pieces of code live on the blockchain and define the rules and properties of each NFT, including ownership rights, creator royalties, and transferability. When someone buys or sells an NFT, the smart contract automatically updates the ownership record on the blockchain without intermediaries. This efficiency means you don't need to trust a counterparty or rely on contract mediators.

Creating an NFT is called minting. The process involves uploading a digital file (artwork, video, or music) to an NFT platform, which then generates a token linked to that file. The token's information—creator name, description, and a secure link to the content—is encoded onto the blockchain via a smart contract. Once minted, the NFT becomes a permanent part of the blockchain and can be bought, sold, or traded on compatible marketplaces. NFTs are typically stored in digital wallets that support NFT standards like ERC-721 or ERC-1155, allowing users to securely view, manage, and transfer them.

What is the purpose of NFTs?

NFTs are designed to establish ownership of a digital asset in a way that is verifiable, transparent, and secure. Before NFTs, digital files—from images to videos and music—could be copied endlessly with no way to prove who owned the original. NFTs solve this by assigning verifiable ownership rights to the original asset.

Another key purpose is to create scarcity in the digital world. Each NFT is non-fungible, meaning it's completely unique and cannot be replaced. This scarcity is encoded directly into the token's metadata, making it valuable to collectors and creators. For example, a digital artist might decide to mint only ten versions of a rare artwork, and buyers can be certain they own one of just a few originals.

Additionally, every NFT transaction is recorded on the blockchain, creating a permanent, nearly tamper-proof history of creation, ownership, and transfer. This helps reduce fraud, as anyone can verify an NFT's origin and ownership record at any time.

Benefits of NFTs

1. Digital ownership

NFTs provide a secure and verifiable way to claim ownership of digital assets. Whether it's art, music, virtual land, or collectibles, NFTs ensure that users truly "own" their digital items. This ownership is recorded on the blockchain and cannot easily be tampered with.

2. Transparency

Every NFT transaction is logged on a blockchain, which acts as a transparent public ledger. This means anyone can trace the ownership history, view metadata, and verify authenticity.

3. Investment opportunities

NFTs have opened up new investment possibilities in the digital world. Rare and desirable NFTs can appreciate in value over time, and marketplaces also support fractional ownership, staking, and lending, with NFTs even serving as collateral.

4. Royalty potential

Smart contracts let creators embed automatic royalty terms into their NFTs. Each time the NFT is resold on a secondary market, the original creator receives a percentage of the sale. This model empowers artists, musicians, and developers to earn recurring income and maintain control over their work.

NFT examples

NFTs come in many forms. Some of the best-known collections include CryptoPunks, Bored Ape Yacht Club, and NBA Top Shot.

CryptoPunks were among the first major NFT projects, consisting of 10,000 unique 24x24 pixel art characters minted on Ethereum. They quickly became digital status symbols and are considered pioneers of NFT culture. Bored Ape Yacht Club features cartoon ape avatars with different traits, and these NFTs also serve as membership passes to exclusive events and communities. NBA Top Shot offers officially licensed basketball highlight clips as NFTs, allowing fans to own iconic in-game moments.

NFTs can be grouped into several main categories:

• Art – digital artworks sold as NFTs allow artists to monetize their creations and prove authenticity, using platforms like Foundation and SuperRare
• Collectibles – projects like CryptoPunks and NBA Top Shot offer rare, tradable items with unique traits
• Gaming – NFTs in games such as Axie Infinity and Gods Unchained represent in-game characters, weapons, or land that players can buy, sell, and trade
• Virtual real estate – platforms like Decentraland and The Sandbox let users buy, sell, and build on virtual land parcels, each represented as a unique NFT

Arguably, use cases are only limited by your creativity.

How to buy NFTs

Buying NFTs is easier than ever, especially with Crypto.com, which prioritizes security and simplicity. Here's how to securely buy, sell, and store NFTs in the Crypto.com app:

1. Create a Crypto.com account – sign up and complete identity verification (KYC) and anti-money laundering (AML) checks to access full marketplace features.
2. Set up a crypto wallet – use the built-in Crypto.com wallet or connect your own compatible wallet. This wallet will store your NFTs and enable transactions.
3. Fund your wallet – buy or deposit the cryptocurrency tied to the blockchain of your desired NFT and send it to your wallet. You can purchase crypto directly through Crypto.com using a credit card, bank transfer, or crypto deposit. Fees may apply depending on the method.
4. Browse the NFT marketplace – visit the Crypto.com NFT Marketplace and explore thousands of NFTs across categories like art, music, gaming, and sports.
5. Choose an NFT and click 'Buy' – when you find an NFT you want, click to view details including creator, ownership history, and price. Then click 'Buy Now' to proceed.
6. Confirm the purchase – review the transaction, including any gas fees (if applicable), and confirm. Your NFT will be delivered to your linked wallet.

Crypto.com's platform is designed with security and ease of use in mind. With multi-layer authentication and a streamlined process, it's one of the simplest ways to enter the NFT space.

How to sell NFTs

Selling NFTs is also straightforward with Crypto.com. Here's how to list and sell your NFTs:

1. Log in to your Crypto.com account – visit Crypto.com/NFT and sign in with your verified account.
2. Connect your NFT wallet – ensure your NFT is stored in a wallet connected to Crypto.com (either the built-in Crypto.com wallet or another compatible wallet linked to your account).
3. Navigate to 'My NFTs' – go to your profile and click on 'My NFTs' to view all NFTs you own that are eligible for resale.
4. Select the NFT you want to sell – choose the NFT you wish to list, click on the asset to view details, then select 'Sell'.
5. Set your sale asking price – enter the price (in a supported cryptocurrency), choose between a fixed price or auction, and set optional parameters like listing duration. As with any auction, realistic pricing increases the chance of a sale.
6. Confirm and list your NFT – review all details carefully, then click 'List for Sale'. The listing will be submitted to the Crypto.com NFT Marketplace and made visible to potential buyers.
7. Track offers and sales – you'll receive notifications if someone places a bid or buys your NFT. Once sold, funds will be transferred securely to your wallet.

NFTs and crypto: what's the relationship?

NFTs and cryptocurrencies are closely connected through blockchain technology. Most NFTs are created and traded on blockchain networks like Ethereum, which pioneered NFT development using standards such as ERC-721 and ERC-1155. Other blockchains, including Cronos, also support NFTs, offering features like lower fees or faster transactions.

Cryptocurrencies play a vital role in NFT transactions. When buying or selling an NFT, you usually pay with the blockchain's native cryptocurrency—for example, Ether on Ethereum or Cronos on the Cronos network. These are used not only for the NFT's price but also for associated gas fees that cover transaction processing and recording on the blockchain.

Because NFTs and cryptocurrencies share the same underlying technology, owning cryptocurrency is essential for participating in the NFT marketplace.

History of NFTs

NFTs trace their origins to 2014 with the creation of Quantum by artist Kevin McCoy on the Namecoin blockchain. Adoption grew significantly after Ethereum launched in 2015, as its programmable smart contracts made NFTs much more accessible and laid the foundation for widespread use.

The NFT space gained real traction in 2017 with the release of CryptoPunks by Larva Labs and CryptoKitties, a viral blockchain game where users could breed and trade digital cats. Between 2018 and 2019, marketplaces like OpenSea and Rarible emerged, offering platforms for easy buying and selling.

The market experienced explosive growth during the pandemic years as high-profile artists, celebrities, and global brands entered the space. A landmark moment came when digital artist Beeple sold an NFT for $69 million at Christie's, cementing NFTs' place in the traditional art world.

By 2025, the market is maturing, with a shift toward utility-focused NFTs such as virtual real estate, gaming assets, and tokens tied to real-world benefits.

You can browse popular NFT collections and digital art.

Can I create my own NFT?

Anyone can create an NFT through a process called minting, which turns a digital file—like art, music, or video—into a unique token on a blockchain. Minting registers your digital asset on the blockchain, proving ownership and making it available for sale or trade.

The process typically starts by selecting an NFT creation platform. Popular options like Crypto.com, OpenSea, Rarible, and Foundation provide user-friendly tools that require little technical knowledge. On Crypto.com, for instance, you can upload your digital file, add details such as title, description, and royalties, and then mint your NFT on supported blockchains like Ethereum or Cronos.

Once minted, your NFT is stored in your digital wallet, where you can keep it, list it for sale, or transfer it to others. Minting fees may apply depending on the blockchain's current activity, so it's wise to check estimated costs beforehand.

Creating NFTs opens opportunities for artists, musicians, writers, and creators worldwide to monetize their work, reach new audiences, and retain control over their creations.

If you'd like to create with Crypto.com, simply head to Crypto.com/NFT and click 'Create'. Not everyone is approved as a creator on our platform; we may request concrete examples of your past experience and the types of NFTs you plan to create.

If approved, you can choose from Ethereum, Polygon, Cronos, or Cronos POS chains to mint your NFTs, with a weekly limit of 50.

Are NFTs profitable?

NFTs can be profitable, but success depends on several factors. An NFT's value is largely driven by rarity, demand, creator reputation, and the overall popularity of its category—such as art, collectibles, or gaming assets.

Just like physical creations, limited-edition NFTs or those made by well-known artists tend to command higher prices. NFTs tied to strong communities or projects with ongoing development and utility can also increase in value over time.

However, profitability is not guaranteed. The NFT market is highly speculative and volatile, with prices fluctuating dramatically. Some NFTs may appreciate rapidly, while others may lose value or struggle to sell.

Additionally, because NFTs are digital assets stored on blockchains, you are exposed to technical risks such as hacking or losing wallet access. Market risks like illiquidity (a lack of buyers) and regulatory uncertainty also exist.

Broken links pose another risk, as the image or data is often stored off-chain on third-party servers rather than directly on the blockchain. If these off-chain servers fail, the NFT's associated media can become inaccessible.

On the positive side, NFT benefits extend beyond simple resale. Creators earn royalties on secondary sales, and investors can benefit from participating in emerging virtual economies, gaming ecosystems, and collectible markets.

Get started today and be part of the digital collectibles revolution.

Fungible vs non-fungible assets

Fungible and non-fungible assets differ in their interchangeability. Fungible assets are identical and can be exchanged on a one-to-one basis without any difference in value. For example, one Bitcoin is always worth the same as another Bitcoin, and a $10 bill holds the same value as another $10 bill. These assets are uniform and divisible.

Non-fungible assets, on the other hand, are unique and cannot be exchanged on a like-for-like basis because each has distinct characteristics or value. NFTs are non-fungible assets, as they represent ownership of one-of-a-kind digital items like artwork, music, or collectibles. No two NFTs are exactly alike, making each irreplaceable.

To clarify, cryptocurrencies like Bitcoin or Ethereum are fungible because each unit is the same as another. Meanwhile, a CryptoPunk NFT or a digital collectible card from a game is non-fungible because each has unique traits, provenance, and value.

NFT outlook

NFTs are evolving beyond digital art and collectibles into sectors like gaming, virtual real estate, and the tokenization of physical assets. This expansion is enabled by advancements in blockchain technology, such as Layer-2 solutions that enhance scalability and reduce transaction costs.

Additionally, the integration of NFTs with decentralized finance (DeFi) platforms allows for innovative financial products, including NFT-backed loans and fractional ownership, democratizing access to high-value assets.

The NFT market is experiencing strong growth, with Technavio projections estimating a compound annual growth rate of 30.3% between 2025 and 2029. Key trends shaping this trajectory include:

• Eco-friendly initiatives – adoption of energy-efficient blockchains like Tezos and Flow is addressing environmental concerns and attracting ESG investors
• Enhanced interoperability – efforts to improve cross-platform compatibility are enabling the movement of NFTs across different blockchains, expanding liquidity
• AI integration – artificial intelligence is being used to create dynamic and personalized NFTs, boosting user engagement
• Institutional adoption – increased involvement from established financial institutions and luxury brands signals a shift toward integrating NFTs into traditional markets