Solana Token Extensions (Token22)
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Phantom supports and tokens created with the . At the time of this writing, Phantom supports the following Token Extensions:
The and extensions allow token creators to create configurations for grouping tokens together. Phantom currently supports both extensions for non-fungible tokens in the Collectibles tab.
If a particular mint has a memberAddress listed under a groupMemberPointer, Phantom will look for the mint and group fields stored at this memberAddress. If the mint address matches the mint value, Phantom will use the group as the new group identifier.
Example: 8eDYWjDKmCR5B3UJm95gaG8zCdT5anWakTZG1PyWpBm9 ()
The following extensions are currently in development:
The allows creators to set an interest rate on their tokens. This interest rate is for cosmetic purposes only, no new tokens are created as a result of the interest. If this extension is enabled, Phantom will display the current interest rate on the token's detail screen.
Example: aNMXxywEHAH3VfWnaVwedLJWPT9NsxagsGTEQqS5WKK ()
The enforces that all incoming transfers must have an accompanying memo instruction right before the transfer instruction. If this extension is enabled, an account owner may choose to flip the required memo on or off. Phantom will allow a user to input a memo on transfers, even if it is optional.
Example: BonkEarn CKfatsPMUf8SkiURsDXs7eK6GWb4Jsd6UDbs7twMCWxo ()
The allows a token creator to include their metadata directly in the token's mint account. Phantom will display the name and symbol that is stored in the mint account, and look to the uri field for additional information such as the token's image.
Example: EGKdqrXxFeTpRTskrH81xmefuTAU9MJGCDLoNss28a2 ()
The allows a token creator to designate an address that describes the canonical metadata. Phantom supports the Metadata Pointer Extension. At the time of this writing, Phantom will assume all metadata schemas follow the .
The allows token creators to grant unlimited delegation privileges over any account for that mint. If enabled, a delegate can can burn or transfer any amount of tokens. Phantom will display a warning for any token that has this extension enabled.
Example: aNMXxywEHAH3VfWnaVwedLJWPT9NsxagsGTEQqS5WKK ()
The allows a token creator to assess fees on every token transfer. If this extension is enabled, Phantom will display the fee on the confirmation screen of every send.
Example: BonkEarn CKfatsPMUf8SkiURsDXs7eK6GWb4Jsd6UDbs7twMCWxo ()
The allows a token to invoke a custom program at the time of transfer. This program can be used to add custom logic on transfers, such as assessing royalties or determining if the transfer is allowed based on a range of on-chain data sources.
