> For the complete documentation index, see [llms.txt](https://docs.affyn.com/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.affyn.com/en/all-about-usdfyn/purchase-usdfyn/guide-to-buy-usdfyn-on-uniswap.md).

# Guide to Buy $FYN on Uniswap

{% hint style="info" %}
Actual UI may differ due to updates.
{% endhint %}

{% tabs %}
{% tab title="Mobile Device" %}
**Step 1:** Open the MetaMask app on your mobile device. Ensure that you are connected to the Polygon network. If you require assistance to setup Polygon, you can refer to [this guide](https://docs.affyn.com/en/all-about-usdfyn/setup-metamask/how-to-set-up-polygon-network-on-metamask).

<div align="left"><figure><img src="/files/2e0PcGtfsOxmcJbcf2jR" alt="" width="369"><figcaption></figcaption></figure></div>

**Step 2:** Select the `Browser` icon located at the bottom of the screen.&#x20;

<div align="left"><figure><img src="/files/sldwtXcrIWlWoBDmzTMS" alt="" width="369"><figcaption></figcaption></figure></div>

**Step 3:** Paste the following URL: <https://app.uniswap.org/explore/tokens/polygon/0x3b56a704c01d650147ade2b8cee594066b3f9421> , then select `go`

<div align="left"><figure><img src="/files/aRkoJqXr190HWpmHV2vq" alt="" width="369"><figcaption></figcaption></figure></div>

**Step 4:** Select `Connect` , then `MetaMask`, and connect your wallet

<div><figure><img src="/files/jx0OKAB9QfLTEpfie6cx" alt=""><figcaption></figcaption></figure> <figure><img src="/files/jbk0Js3U7kBDFf4QZ3cW" alt=""><figcaption></figcaption></figure></div>

**Step 5:** Select `Swap`, then read and acknowledge the information on screen by selecting `I understand`

<div><figure><img src="/files/LQ0jg9PfKN85oifx7i1L" alt="" width="369"><figcaption></figcaption></figure> <figure><img src="/files/rofEIJfSbaLvWBxcOGlv" alt="" width="369"><figcaption></figcaption></figure></div>

**Step 6:** Select the token that you want to use to swap for $FYN and key in the amount, then select `Swap`

<div align="left"><figure><img src="/files/Je37PikxxAbOpGKbqnhC" alt="" width="369"><figcaption></figcaption></figure></div>

**Step 7:** Confirm and sign the transaction(s) that appear on your MetaMask

**Step 8:** Wait for the swap to confirm

<div align="left"><figure><img src="/files/WrUNkzYGtv8hwkxvt3ra" alt="" width="369"><figcaption></figcaption></figure></div>

Congratulations! You have successfully purchased $FYN.
{% endtab %}

{% tab title="Desktop" %}
**Step 1:** Go to <https://app.uniswap.org/explore/tokens/polygon/0x3b56a704c01d650147ade2b8cee594066b3f9421>

**Step 2:** Ensure that you are connected to the Polygon network. If you require assistance to setup Polygon, you can refer to [this guide](https://docs.affyn.com/en/all-about-usdfyn/setup-metamask/how-to-set-up-polygon-network-on-metamask).

<figure><img src="/files/fj1Yf3HTXv13jfbDgwIY" alt=""><figcaption></figcaption></figure>

**Step 3:** Select `Connect` , then `MetaMask`, and connect your wallet

<figure><img src="/files/dGMTfQHjsVwYDr3GaJwS" alt=""><figcaption></figcaption></figure>

**Step 4:** Select the token that you want to use to swap for $FYN and key in the amount, then select `Swap`

<figure><img src="/files/1ry5SKeyDv1IshIa9fHP" alt=""><figcaption></figcaption></figure>

**Step 5:** Confirm and sign the transaction(s) that appear on your MetaMask

**Step 6:** Wait for the swap to confirm

<figure><img src="/files/gxvmRyDz6qG0BrQohMlJ" alt=""><figcaption></figcaption></figure>

Congratulations! You have successfully purchased $FYN.
{% endtab %}
{% endtabs %}