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What Is Token-2022 (Token Extensions)?

Definition

Token-2022 is Solana's next-generation token program that adds extensions like transfer fees, interest-bearing tokens, non-transferable tokens, and confidential transfers to SPL tokens.

Token-2022 (officially "Token Extensions Program") is an evolution of Solana's original SPL Token Program. While the original program handles basic minting, transferring, and burning, Token-2022 adds powerful extensions that can be configured at token creation time.

  • Transfer Fee: Automatically collect a percentage fee on every transfer — useful for revenue-generating tokens
  • Interest Bearing: Token balances can accrue interest over time without staking
  • Non-Transferable: Create soulbound tokens that can't be traded — for credentials, reputation, or identity
  • Permanent Delegate: Designate a wallet that can always transfer or burn tokens from any account
  • Confidential Transfers: Hide transaction amounts while keeping the transaction itself public
  • Transfer Hook: Run custom logic on every transfer — for compliance, royalties, or game mechanics

Token-2022 tokens are compatible with most Solana wallets and DEXes, though some older protocols may not support all extensions. CoinDevTools supports creating tokens with the standard Token Program, with Token-2022 extensions available for advanced use cases.

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Related Terms

SPL Token
An SPL token is the standard fungible token format on the Solana blockchain, equivalent to ERC-20 on Ethereum.
Metaplex Token Metadata
Metaplex Token Metadata is a Solana program that stores human-readable information (name, symbol, image, description) for SPL tokens.
Mint Authority
The mint authority is the wallet address authorized to create new tokens for an SPL token on Solana. Revoking it permanently locks the token supply.