# Asset Guide - wBTC

## What is wBTC?

wBTC (Wrapped Bitcoin) is an ERC20 token that represents Bitcoin on Ethereum, allowing BTC to be used in DeFi applications, smart contracts, and liquidity pools. Each wBTC is backed 1:1 with BTC and can be wrapped or unwrapped via custodians like BitGo.

### Where do I get wBTC?

You can get wBTC from:

* **On-chain swaps** via Sei based DEXs like [**Symphony**](https://symph.ag/)**.**
* **Centralized Exchanges** like Binance, Coinbase, Kraken, OKX.
* **Wrapping BTC** via BitGo or other authorized custodians.

***

{% hint style="info" %}
The following are available as of Mar 22, 2025
{% endhint %}

## Get wBTC to Sei

### Method 1: Swap for wBTC on Sei

1. **Swap via Symphony.**

   * Navigate to [Symphony](https://symph.ag/).
   * Swap any asset for wBTC.

   <figure><img src="/files/706ZAuIwfnRfQUWPhUw2" alt="" width="563"><figcaption></figcaption></figure>

   * Approve the transaction.

### Method 2: Bridge wBTC to Sei via Yei Bridge

{% hint style="warning" %}
This method is available on **Ethereum**, **Avalanche**, and **Base** (where wBTC is currently supported). For other chains, please consider using stablecoins and swap on Sei.
{% endhint %}

1. **Acquire wBTC.**&#x20;
   * Get wBTC from a CEX.
2. **Bridge wBTC to Sei.**

   * Navigate to [Yei Bridge](https://app.yei.finance/bridge/).
   * Select your **source chain** and **Sei** as the destination.

   <figure><img src="/files/9MMPuED21rmohbeRZ3Sq" alt="" width="560"><figcaption></figcaption></figure>

   * Review the bridge details.

   <figure><img src="/files/9YKvAuvvuluoeyiTUYMs" alt="" width="563"><figcaption></figcaption></figure>

   * Approve the transaction.

<figure><img src="/files/3DWgTPDEq5Tylgb8GiRY" alt="" width="555"><figcaption></figcaption></figure>

***

## Supply wBTC on Yei <a href="#supply-usdc-on-yei" id="supply-usdc-on-yei"></a>

1. **Deposit wBTC**.
   * Navigate to the [**Yei Finance page**](https://app.yei.finance/).
   * Locate wBTC, and click **"Supply"**.
   * Enter the amount and confirm the transaction.

<figure><img src="/files/d4XGp0P7KSX3H2h4aooA" alt="" width="354"><figcaption></figcaption></figure>

**That’s it! 🎉** You are now utilizing your wBTC to earn rewards and Yei points.

***

## Bridge wBTC out of Sei

### Method: Cross chain via Yei Bridge

{% hint style="warning" %}
This method is currently supported for bridging to **Ethereum**, **Avalanche**, and **Base**.
{% endhint %}

1. **Bridge via Yei Bridge.**

   * Navigate to [Yei Bridge](https://app.yei.finance/bridge/).
   * Select Sei as the source chain and choose your destination chain.

   <figure><img src="/files/n5D8cUc5DTK2jqiRlEXI" alt="" width="563"><figcaption></figcaption></figure>

   * Review the bridge information.

   <figure><img src="/files/KT5A18OPdicwgQElhlca" alt="" width="559"><figcaption></figcaption></figure>

   * Approve the transaction.

<figure><img src="/files/JXjQlSHVOumYL9GRGmxQ" alt="" width="563"><figcaption></figcaption></figure>

{% hint style="info" %}
For large transfers, start with a small test transaction to ensure a smooth process. Once comfortable, gradually increase the amount. Performing multiple test transactions is recommended to understand how the bridge operates.
{% endhint %}


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