How can I revoke token approvals and permissions on Ethereum? | OpenSea Help Center (2024)

FAQs

How can I revoke token approvals and permissions on Ethereum? | OpenSea Help Center? ›

Once you located the approval that you want to revoke, click the Revoke button next to it. Check the Token information & Spender and click Revoke. Check the transaction details on MetaMask and click Confirm (make sure your Ledger device is unlocked and the ETH app is open).

Once you located the approval that you want to revoke, click the Revoke button next to it. Check the Token information & Spender and click Revoke. Check the transaction details on MetaMask and click Confirm (make sure your Ledger device is unlocked and the ETH app is open).

We recommend regularly checking and revoking your existing token approvals, which will prompt an additional confirmation to complete a transaction. Disconnect from a dapp if you don't plan on using the dapp soon, no longer trust it, or are connected unintentionally.

The good news is there are several ways to keep track of your existing approvals and easily revoke them: Head to the 'approval checker' section of the block explorer for the network you're using. For example, Etherscan, BscScan and Polygonscan all have a token approval checker function.

Once issued, access tokens and ID tokens cannot be revoked in the same way as cookies with session IDs for server-side sessions. As a result, tokens should be issued for relatively short periods, and then refreshed periodically if the user remains active.

The invalidation takes place immediately, and the token cannot be used again after the revocation. Each revocation request invalidates all the tokens that have been issued for the same authorization grant.

Revoke means to take back, withdraw, or cancel. Revoke is typically used in the context of officially taking back or cancelling some kind of right, status, or privilege that has already been given or approved. Passports and laws can be revoked, for example. The process or an instance of revoking is called revocation.

Understanding Infinite Token Approvals

This feature streamlines frequent interactions with decentralized applications (dApps), but can leave your assets vulnerable if the approved contract is compromised. Since 2020, over $405 million has been stolen through approval exploits (source: revoke. cash).

How do I cancel permissions? ›

The revoke() method of the Permissions interface reverts a currently set permission back to its default state, which is usually prompt . This method is called on the global Permissions object navigator. permissions . This method is removed from the main permissions API specification because its use case is unclear.

Permission sets are additive in nature, meaning they can only grant permissions and not revoke them. To revoke access, the AppExchange application Permissioner can be used, which allows for the granting and removal of permission sets to multiple users simultaneously.

Note 3: If you need to uninstall the Chrome Token signing extension at some point, you can do so by starting the downloaded installation program again from your download folder, and then choose Remove.

In situations where you have interacted with a potentially malicious or exploited smart contract, or if you wish to discontinue your connection with a specific smart contract, you can proceed to revoke the approvals and permissions.