# Account security

**2 factor authentication**

We use 2FA (two-factor authentication) for all activities and changes in our system. This gives you an additional layer of security.

Please enable 2FA as soon as possilble in menu **Settings\Serurity** 

<figure><img src="/files/aZDCYp2YUOz7jG5VpnI3" alt=""><figcaption></figcaption></figure>

Follow instructions to connect.

<figure><img src="/files/5lJbdO1VcRXYIXMWYTh3" alt=""><figcaption></figcaption></figure>

{% hint style="warning" %}
Please keep the access key securely. In case of loss we will not be able to restore it.
{% endhint %}

**Approve list**&#x20;

Adding liquidity without processing fee is possible only from trusted merchant addresses. To do this, when making a deposit, the merchant must add his wallet address to the "white list".

<figure><img src="/files/Y4rf2JC4uR0FR8CkrG7z" alt=""><figcaption></figcaption></figure>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.0xprocessing.com/quick-start/account-security.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.