NFT (Non-Fungible Token)
Unique token representing an individual asset or claim.
An NFT, or non-fungible token, is a blockchain token designed to represent a distinct item, identifier, or claim rather than interchangeable units. NFTs can represent art, tickets, memberships, game items, certificates, identity records, or rights defined by an issuer. The token and any related media or legal rights are separate components.
Ethereum standards such as ERC-721 assign unique token IDs, while ERC-1155 can manage both fungible and non-fungible items in one contract. The blockchain records the controlling address and transfer history. Metadata usually provides the name, attributes, and media link. It may be stored on-chain or through external systems.
NFTs matter because applications can verify ownership and transfer without relying solely on one platform database. A ticket contract can grant entry, a game can recognize an item, and a community can use a token for access. Interoperability depends on standards and application support, not only token existence.
Buying an NFT does not automatically transfer copyright, trademark rights, physical ownership, or revenue. Those rights depend on a license or legal agreement. Media may disappear when a server closes, and mutable metadata can change after purchase. IPFS improves content verification but needs continued pinning for availability.
Market risks include copied collections, wash trading, thin liquidity, manipulated rarity, malicious approvals, and scams. A quoted floor price applies to listed items, not guaranteed demand for every token. Royalties may be optional at marketplace level. Smart contract administrators can sometimes pause, upgrade, or alter metadata.
Valuation requires more than checking the last sale. Buyers should examine comparable sales, actual bid depth, holder concentration, creator activity, token supply, and any promised utility. Rare traits can command a premium only when buyers recognize and want them. Tax treatment may apply to purchases, sales, rewards, or gifts and varies by jurisdiction. Records should include transaction hashes, fees, dates, and the value used for reporting.
Before minting or buying, verify contract address, network, token ID, creator, storage, rights, supply, fees, and approval request. Use a limited wallet for unfamiliar sites and never share recovery words. NFTs provide programmable proof of token control, but authenticity, permanence, utility, value, and legal ownership must be evaluated independently.
Frequently asked questions
- NFT contracts commonly store a token URI that points to metadata, which then references media on IPFS, Arweave, a centralized server, or another location. Some data is fully on-chain. Check whether the URI and metadata can change, who controls them, and whether content is pinned or funded. Token ownership does not guarantee permanent file availability.
- Royalty standards can communicate a preferred recipient and percentage, but many marketplaces choose whether to enforce payment. Custom contracts or transfer restrictions can add enforcement with tradeoffs in compatibility and control. A royalty is not guaranteed future income. Marketplace policy, wash trading, fees, creator rights, and legal agreements affect whether and how payment occurs.
- Confirm the exact network and contract address through the creator's established official sources, then inspect verified code, deployer, provenance, token ID, metadata, ownership history, and marketplace collection links. Names, images, symbols, and verification-looking graphics can be copied. A genuine token can still be unauthorized art, compromised, mutable, or sold through a hacked creator account.