Internet
metadata
What does metadata mean?
The information attached to an NFT — its name, description, image link and trait attributes — that defines what it is; can be on-chain or off-chain.
"The project migrated metadata to IPFS so it can't be changed."
Origin
General computing term 'metadata' applied to NFT token data.
Frequently asked questions
What is NFT metadata?
It's the data that describes an NFT — its name, image link, description and trait attributes — defining what the token actually represents.
What's the difference between on-chain and off-chain metadata?
On-chain metadata is stored directly on the blockchain and is permanent, while off-chain metadata lives on servers or IPFS and could change or disappear if not properly pinned.
Why does metadata matter when buying an NFT?
If the metadata is stored on a centralised server it could be altered or lost, so collectors prefer on-chain or IPFS-pinned metadata for permanence.
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