What Does "Non-Fungible" Mean?
To understand NFTs, you first need to understand the difference between fungible and non-fungible assets:
🔄 Fungible
Interchangeable. One unit is identical to every other unit. You can swap them freely.
🖼️ Non-Fungible
Unique. Each item is one-of-a-kind or limited. You cannot swap like-for-like.
An NFT (Non-Fungible Token) is a unique digital certificate stored on a blockchain that proves ownership of a specific digital (or physical) item. No two NFTs are identical — each has its own token ID and metadata.
How NFTs Work
When an NFT is created ("minted"), a record is added to the blockchain containing:
- A unique token ID that distinguishes it from every other token
- The wallet address of the current owner
- Metadata — a link to the actual file (image, video, music, etc.)
- A complete history of every previous owner
💡 The NFT itself isn't the file — it's the ownership record. The actual image or video is typically stored on IPFS (a distributed file system) or a server. The blockchain just proves who owns the certificate.
This is why people ask "why can't I just screenshot it?" — you can, but you don't own the blockchain record of ownership. It's like photographing the Mona Lisa. You have the image, but you don't own the painting.
What Can Be an NFT?
Famous NFT Sales
| NFT | Artist/Project | Sale Price | Year |
|---|---|---|---|
| Everydays: The First 5000 Days | Beeple | $69.3M | 2021 |
| The Merge | Pak | $91.8M | 2021 |
| CryptoPunk #5822 | Larva Labs | $23.7M | 2022 |
| Bored Ape #8817 | BAYC | $3.4M | 2021 |
| Clock | Pak / AssangeDAO | $52.7M | 2022 |
The NFT Market Today (2026)
After the explosive 2021–2022 boom, the NFT market corrected sharply. Daily trading volume fell from billions to millions. Many speculative collections lost 95%+ of their value.
However, the underlying technology found more sustainable uses:
- Gaming — in-game assets remain a major use case
- Digital identity — ENS domains and on-chain credentials are growing
- Loyalty programs — brands use NFTs as digital membership cards
- Real-world assets (RWAs) — tokenising physical assets like real estate and commodities
- Music & creator royalties — a more fair revenue model for artists
How to Buy an NFT
The process is simpler than it sounds:
- Set up a crypto wallet (MetaMask is most common)
- Buy Ethereum (ETH) — most NFTs use Ethereum
- Connect your wallet to an NFT marketplace
- Browse, bid, or buy — like an online auction house
Major NFT marketplaces: OpenSea (largest), Blur (trader-focused), Magic Eden (multi-chain), Rarible, Foundation (curated art).