# EVM chains 🔄 EVM chains

{% hint style="info" %}
Briding BTC tokens from the Ethereum network to the UPChain as an example:
{% endhint %}

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

<figure><img src="/files/RQ0tLQ0qpY5YwIxPqYym" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/Hygg9CnUuBwo2ZeSuO6T" alt=""><figcaption></figcaption></figure>

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

<figure><img src="/files/6103NDpwTclUFpYRU9Dh" alt=""><figcaption></figcaption></figure>

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

<figure><img src="/files/29fOa0YfGR9FfHoCHxTN" alt=""><figcaption></figcaption></figure>

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

<figure><img src="/files/FKgc9L707zmYxnJBjlYH" 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://uniport.gitbook.io/uniport-doc/tutorials/asset-bridging-tutorials/evm-chains-evm-chains.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.