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Revoking Token Approvals on Ethereum, Solana, and Polygon
Revoking Token Approvals on Ethereum, Solana, and Polygon

Secure your tokens: How to safely revoke approvals on Ethereum, Solana, and Polygon

Updated over a week ago

Token approvals are permissions granted to dApps by signing a message, which can be used by malicious actors to potentially steal your NFTs or cryptocurrency. It is important to periodically review and revoke any suspicious token approvals to ensure the security of your assets. This article will guide you through the process of revoking token approvals on Ethereum, Solana, and Polygon.

Why revoking token approvals is important

Checking and revoking token approvals is a crucial security practice in the Web3 ecosystem. By doing so, you can prevent unauthorized access to your tokens and mitigate the risk of potential attacks.

Revoking token approvals on Ethereum and Polygon

To revoke token approvals on Ethereum and Polygon, you can utilize various tools available. One recommended tool is Etherscan's token approval tool, which provides an intuitive interface for managing your approvals.

Follow these steps to revoke token approvals on Ethereum and Polygon using Etherscan's token approval tool:

  • Visit Etherscan's token approval tool website.

  • Connect your wallet to the website. This step enables the tool to access your token approvals.

  • Once connected, navigate through the tabs to view your token approvals for ERC-20, ERC-721, and ERC-1155 tokens present in your wallet.

  • Identify any approvals that appear suspicious or unnecessary and click on the "Revoke" button associated with those approvals.

  • Revoking a token approval will trigger a signature request on your wallet. Follow the prompts to complete the revocation process.

Revoking token approvals on Solana

On Solana, the Famous Fox Federation's Revoker tool is commonly used to revoke token approvals. By connecting your wallet to this tool, you can easily manage and revoke token approvals.

To revoke token approvals on Solana using Famous Fox Federation's Revoker tool, follow these steps:

  • Access the Famous Fox Federation's Revoker tool website.

  • Connect your wallet to the website. This step enables the tool to retrieve your token approvals.

  • Once connected, you will be able to view your token approvals.

  • Identify the approvals you wish to revoke or choose the "Revoke all" option to revoke all approvals at once.

  • Follow the on-screen instructions to complete the revocation process.


Regularly checking and revoking token approvals is an essential practice for maintaining the security of your assets in the Web3 ecosystem. By following the steps outlined above, you can effectively manage and revoke token approvals on Ethereum, Solana, and Polygon.

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