> For the complete documentation index, see [llms.txt](https://uniport.gitbook.io/uniport-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://uniport.gitbook.io/uniport-doc/tutorials/asset-bridging-tutorials/evm-chains-bitcoin.md).

# EVM chains ➡️ Bitcoin

{% hint style="info" %}
Briding BTC tokens from Arbitrum to the Bitcoin as an example:
{% endhint %}

1\) Open the UniPort official website, click on "Connect Wallet" in the upper right corner, select Arbitrum network, and connect the Metamask/OKX wallet extension;<br>

<figure><img src="https://3934593319-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqPULFhJJUskqyYPIWmUi%2Fuploads%2Fn1imZiOQsAHsKxFNnPv2%2F3.1.png?alt=media&amp;token=fd38596e-e283-4fad-906f-4b0e87b1c82c" alt=""><figcaption></figcaption></figure>

<figure><img src="https://3934593319-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqPULFhJJUskqyYPIWmUi%2Fuploads%2FurSNchjdgCwXUSdH3P5c%2F2.png?alt=media&amp;token=cc29901a-8c17-4702-82e9-d62a908064a0" alt=""><figcaption></figcaption></figure>

2\) In the "Choose Token" menu, select BTC, input the quantity of BTC to be cross-chained to Bitcoin network, and the Bitcoin receiving address, then click "Transfer".

<figure><img src="https://3934593319-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqPULFhJJUskqyYPIWmUi%2Fuploads%2FOGPbEQOaoz5GjRpms9K7%2Fimage.png?alt=media&amp;token=c16006e0-1b84-4fd7-ac2d-2da2b722d77c" alt=""><figcaption></figcaption></figure>

3\) Click "Confirm & Send" to confirm the transaction.

<figure><img src="https://3934593319-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqPULFhJJUskqyYPIWmUi%2Fuploads%2FiM1tbM4G2YdHPTwm0wcx%2F3.2.png?alt=media&amp;token=fb500247-1137-446d-915b-ce222f137645" alt=""><figcaption></figcaption></figure>

4\) You can view the transaction history in the "Activity" menu.

<figure><img src="https://3934593319-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqPULFhJJUskqyYPIWmUi%2Fuploads%2FUiEUi6SQyGMkonwkzHlM%2F3.3.png?alt=media&amp;token=08a853a1-3118-470a-9a3d-4694178b50ad" alt=""><figcaption></figcaption></figure>