# 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="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FF53aErA1xU3KjI3982cU%2F%E5%9B%BE%E7%89%8712.png?alt=media&#x26;token=785cd5c5-1b8c-4956-b44f-c3a208ee5f0d" alt=""><figcaption></figcaption></figure>

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

<figure><img src="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2Fvg3KfjvVFyeKl98mcGsO%2F%E5%9B%BE%E7%89%8713.png?alt=media&#x26;token=d61511ac-d952-4f0f-af93-0eaf34bd0e74" 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="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2F4RWgtvvkqYKcyT0YAjJ0%2F%E5%9B%BE%E7%89%8714.png?alt=media&#x26;token=ac389964-326c-4423-92ab-a9fa2dc9816f" alt=""><figcaption></figcaption></figure>

<figure><img src="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FW08Ys8YVTe0bHOKRTHzf%2F%E5%9B%BE%E7%89%8715.png?alt=media&#x26;token=85564b18-c33c-4cd8-accd-2354923ceda1" alt=""><figcaption></figcaption></figure>


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