> For the complete documentation index, see [llms.txt](https://metapath.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://metapath.gitbook.io/docs/metapath-user-guide/user-guide/en/tutorial/user-guide-of-how-to-revoke-contract-authorization-for-eth-chain-nfts.md).

# User Guide of how to revoke contract authorization for ETH chain NFTs

#### 1. Access link:

{% embed url="<https://cn.etherscan.com/tokenapprovalchecker>" %}

#### 2. Enter the address you want to check, and click Search

<figure><img src="/files/hrvgx9bPY6IdnHUhzWN3" alt=""><figcaption></figcaption></figure>

#### 3. Click on Connect to Web3 to connect your wallet

<figure><img src="/files/Rs4AjDJIMhTImEKPjSbJ" alt=""><figcaption></figcaption></figure>

#### 4. After successfully connected, navigate the ERC-721 Tab, click the "Revoke" button and a confirmation will pop up, click continue to click "Revoke" , and you will you will trigger a signature request in your wallet. Confirm and cancel the contract authorization of the NFT (Note: Please be aware that approving this request will require to pay the appropriate gas fee to complete the process).

<figure><img src="/files/Nd2tAtB77EWc17yihtIG" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/Cxp1pjPBBPs6AcC5MxLM" alt=""><figcaption></figcaption></figure>