What Is Metaplex Token Metadata?
Definition
Metaplex Token Metadata is a Solana program that stores human-readable information (name, symbol, image, description) for SPL tokens.
Metaplex is the standard for token and NFT metadata on Solana. While the base SPL Token Program handles minting and transfers, it doesn't store any human-readable information. Metaplex fills that gap.
- Name: The full name of the token (e.g., "Bonk")
- Symbol: The ticker (e.g., "BONK")
- URI: A link to a JSON file containing the image, description, and extended attributes
- isMutable: Whether the metadata can be updated after creation
The URI typically points to an IPFS-hosted JSON file (using services like Pinata or Arweave) that contains the token's image and description. This is what wallets like Phantom and block explorers like Solscan display.
Making metadata immutable (setting isMutable to false) is another trust signal — it proves the token's branding and description can never be changed.
CoinDevTools handles all Metaplex metadata automatically during token creation, including IPFS image upload.
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Create a Token with Metadata