CoinucationWhat is an NFT?
6 min read · Updated Oct 6, 2026 · By Coinucation Editorial
- An NFT is a unique token on a blockchain that records who owns a specific digital item.
- NFTs follow standards like ERC-721, and the actual media is usually stored off chain with a link in the metadata.
- Owning an NFT does not automatically grant copyright or legal rights unless the creator provides them.
- The market is volatile, illiquid, and full of scams, so verification and caution matter more than speed.
The short answer
An NFT, or non fungible token, is a unique token recorded on a blockchain. Fungible means interchangeable: one dollar is the same as any other dollar, and one bitcoin is the same as any other bitcoin. Non fungible means each token is distinct, with its own identifier, so it can represent ownership of one specific thing, such as a piece of digital art, a collectible, a ticket, or a domain name.
The token itself is usually a small record on the blockchain that includes an ID, the address of the current owner, and a link to information about the item, such as an image file. Transferring the NFT changes the owner recorded on chain. Because the blockchain is public, anyone can verify who holds a given NFT and trace its history of transfers and sales.
NFTs became widely known in 2021, when digital artworks sold for millions of dollars and collections of profile pictures became status symbols. Trading volume fell dramatically after that peak. The technology continues to be used, but with more focus on practical applications and less on speculation. Many of the people still building with NFTs are focused on utility rather than hype.
How NFTs work
Most NFTs are created by a smart contract that follows a standard. On Ethereum, the ERC-721 standard defines how a contract tracks unique tokens and their owners, and ERC-1155 allows a mix of unique and interchangeable items in one contract. Solana and other chains have their own equivalents. Wallets and marketplaces rely on these standards to display and transfer NFTs consistently.
Creating an NFT is called minting. The creator calls the contract, which assigns a new token ID and records the creator's address as the first owner. The contract also stores metadata, which is information describing the item. Often the actual image or file is too large to store on chain, so the metadata contains a link to it, hosted on a decentralized storage network like IPFS or on an ordinary web server.
Some NFT contracts include a royalty setting that suggests a percentage be paid to the creator on each resale. Whether that royalty is actually paid depends on the marketplace, since the blockchain itself usually cannot force it. This has been a point of friction between creators and trading platforms. Some marketplaces now make creator royalties optional for buyers.
What NFTs are used for
Digital art and collectibles remain the best known use. Artists can sell work directly to collectors with a transparent ownership record, and collections of generated characters became communities with their own events and perks. Early projects such as CryptoPunks, created in 2017, are still treated as historically significant pieces. Ownership of these early tokens is easily verified on chain.
Beyond art, NFTs are used for things where unique ownership matters. In games, they can represent items or characters that players actually control and can trade outside the game. Event tickets issued as NFTs are hard to counterfeit and easy to verify. Membership passes can grant access to communities or services. Blockchain domain names like ENS names on Ethereum are themselves NFTs.
There is also ongoing experimentation with tokenizing real world assets such as property deeds, certificates, and identity credentials. These applications face legal and practical hurdles, because a token on a blockchain does not automatically carry legal rights unless the law or a contract says it does. Progress in this area depends as much on regulators and courts as on technology.
- Digital art and collectible collections
- In game items and characters that players can trade
- Tickets, memberships, and access passes
- Blockchain domain names and identity credentials
What an NFT does and does not give you
Owning an NFT gives you control of the token on the blockchain. It does not automatically give you copyright over the artwork, the right to reproduce it commercially, or any legal claim unless the creator grants those rights separately. Many buyers in 2021 did not understand this distinction. Always read what rights come with a given project.
Because most NFTs link to files stored elsewhere, the image or media can disappear if the hosting goes down. An NFT whose metadata points to a server that no longer exists still exists as a token, but the thing it represents may be gone. Projects that store data fully on chain or on robust decentralized storage are more durable.
Finally, anyone can mint an NFT of anything, including work they do not own. The blockchain proves who minted a token, not that the minter had the right to do so. Verifying that a collection is the official one, rather than a copy, is an essential step before buying. Official project channels, not search results, are the place to confirm it.
Risks and the market cycle
NFT prices are extremely volatile and depend heavily on attention. The market peaked in 2021 and early 2022, and many collections that sold for large sums lost most of their value within a year or two. Liquidity is thin, meaning it can be hard to sell an NFT at any price when interest fades. Nobody should treat NFTs as a reliable investment.
Scams are common. Fake collections mimic real ones, phishing sites trick users into signing transactions that drain their wallets, and some projects raise money and vanish. Wash trading, where a seller trades with themselves to inflate apparent prices, has distorted volume figures on some marketplaces. Reported sale prices on any marketplace should therefore be treated with some suspicion.
The environmental criticism that followed NFTs in 2021 was tied to Ethereum's energy use under proof of work. Since Ethereum moved to proof of stake in September 2022, that concern has largely faded for Ethereum based NFTs, though it may still apply to NFTs on proof of work chains. Solana and most other NFT chains also use proof of stake.
How to get started
If you want to explore NFTs, set up a self custody wallet on a network with low fees, such as a layer 2 or Solana, and fund it with a small amount. Browse an established marketplace and look at how collections, token IDs, and ownership histories are displayed. You can learn a lot without buying anything.
If you do buy, verify the collection's official contract address through the creator's own channels, not through search results or messages. Be suspicious of anything sent to your wallet unprompted, since malicious NFTs are sometimes used as bait for phishing. Never sign a transaction you do not understand. A wallet dedicated to NFT activity limits what an attacker could take.
Consider minting something yourself. Creating a simple NFT on a cheap network costs very little and is the fastest way to understand what metadata, token IDs, and ownership transfers actually look like in practice. Many wallets and marketplaces offer a simple minting tool, so no coding is required, and the small cost of trying is a reasonable price for the understanding you gain.