# 入门

**1.提前下载支持CrossFi DApp的Metamask、imToken、TokenPocket钱包**

![相关钱包APP](/files/-McCTN_L7OMFLsii7W81)

Metamask钱包下载链接：

{% embed url="<https://metamask.io/download>" %}

imToken钱包下载链接:  &#x20;

{% embed url="<https://www.token.im/?locale=zh-cn>" %}

TokenPocket钱包下载接：

{% embed url="<https://download.tokenpocket.pro/index.html?new=#/>" %}

下载结束后进入钱包选择以太坊主网钱包。 &#x20;

**2.在钱包内留存部分ETH**

在每一次进行交易时都需要ETH作为Gas Fee，至少保证你钱包中有足够的ETH支付交易所需的Gas Fee。具体的留存数量及Gas Fee 根据以太坊交易为准。


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# 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.crossfimain.com/zhong-wen/operating-instructions/yi-tai-fang-lian/wa-kuang-qian-bi-du.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.