# 在 MetaMask 上购买 $FYN 指南

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在 Polygon 区块链上进行的交易需要支付 MATIC (Polygon 网络) 作为汽油费。建议用户钱包中**准备至少 1 个 MATIC**。
{% endhint %}

{% hint style="info" %}
实际 UI 可能因更新而有所不同。
{% endhint %}

**第 1 步：**打开 MetaMask 移动应用程序。检查您是否已连接到 **Polygon Mainnet**

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/kLeK9LDjcGPpK3S2Udbo/Image%200.png)

**第 2 步：**选择`“双箭头”`图标

<div align="left"><figure><img src="https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/YHHrQGmhS3q5yfoyFeHh/select%20swap%20icon.jpg" alt="" width="300"><figcaption></figcaption></figure></div>

**第 3 步：**&#x9009;择 `Swap`

<div align="left"><figure><img src="https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/VY86eW8ef82ZP60mKLBX/swap.jpg" alt="" width="300"><figcaption></figcaption></figure></div>

**第 4 步：**&#x70B9;击 `Select a token`

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/f1oZnYHUHnZfiRbaWqOq/Image%203.png)

**第 5 步：**&#x5728;搜索框中输入 `Fyn`，然后选择 `Affyn`

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/0jg4SUUKEYnK0Qy33d4i/Image%204.png)

**第 6 步：**&#x60A8;应该看到底部框中显示了 FYN。选择**顶部框**

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/NpCB4FC7yyaubPYH0gSU/Image%205.png)

**第 7 步：**&#x641C;索您用于交换到 $FYN 的代币。在此示例中，我们将使用 USDC

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/XCPQqMlC8kxECzVcVpdh/Image%206.png)

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Ensure that the tokens you are using for the swap are on the Polygon blockchain
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**第 8 步：**&#x4F7F;用数字输入面板输入您想要兑换为 FYN 的代币数量。在此示例中，我们将使用 5000 USDC

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/W2OXFPCdBrp76cM9ahAn/Image%207.png)

**第 9 步：选择** `Get quotes`

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/NGUUz7jjunRVOWcKGw2v/Image%208.png)

**第 10 步：**&#x7B49;待 MetaMask 完成获取报价

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/wNsVYEb8yx51JrhtpuS5/Image%209.png)

**第 11 步：选择** `I understand`

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/DhAYwF4frbZ84rXD9Ndx/Image%2010.png)

**第 12 步：**&#x5982;果您对报价感到满意，请**向右滑动**白色按钮

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/qlFcOEdCZm4C3uKS7i7Q/Image%2011.png)

**第 13 步：**&#x7B49;待 MetaMask 完成交易

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/tH6vS4U4CigaizdnxeY6/Image%2012a.png)

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/h54iFF4MVMASMqH8yUs7/Image%2012b.png)

**第 14 步：**&#x606D;喜！交换现已完成。您可以选择“交易记录”图标来查看您的交易记录

<div align="left"><figure><img src="https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/MYLEAAzczZdFD0VFdOK6/transaction%20history.jpg" alt="" width="300"><figcaption></figcaption></figure></div>

![](https://content.gitbook.com/content/We1LoEOUwbV572xOmx4T/blobs/0ORowyZz2WYXSJ26NSYF/Image%2013b.png)