# 信息签名

信息签名是一种用于保护数据安全的密码学技术。它的主要作用是确认信息的来源和完整性，防止消息在传输过程中被篡改，同时证明发送者的身份。在数字货币交易、电子合约签署和安全通讯等场景中，信息签名是不可或缺的安全保障。

## **信息签名操作流程：**

1. 选择好钱包后进入信息签名页面，<mark style="color:green;">**请注意Cregis 仅支持单签钱包的消息签名。**</mark><br>

   <figure><img src="/files/g9fbE0sjOMFYUyVs0yf5" alt=""><figcaption></figcaption></figure>

   <figure><img src="/files/E6qYzaoZZ8UTf3Gu8YET" alt=""><figcaption></figcaption></figure>
2. 选择好网络及地址，然后输入签名的信息。<br>

   <figure><img src="/files/XAsYq2HWXfmjbZwNqRaq" alt=""><figcaption></figcaption></figure>

   目前 Cregis 只支持以下网络的信息签名：

   * Bitcoin
   * Ethereum
   * Tron
   * Polygon
   * BNB-BSC
   * Acalanche-C
   * Optimism
   * Base
   * Ethereum Classic<br>
3. 输入完成后点击“签名”，然后进行身份验证。<br>

   <figure><img src="/files/H8V7SqbVTr45EpBYF5i1" alt=""><figcaption></figcaption></figure>
4. 验证完成后便可成功进行信息签名。签名哈希会在签名成功后的弹出窗口中显示。<mark style="color:green;">**该记录不会存储于系统中，请记得复制签名信息以备后用。**</mark><br>

   <figure><img src="/files/jpvYLyADbeDbLfvWbFi9" 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://support.cregis.com/cregis-wallet-guide/zh-cn/wallet_and_transaction/wallet/message_signature.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.