> For the complete documentation index, see [llms.txt](https://wiki.scalaproject.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.scalaproject.io/applications/bridge.md).

# Bridge

## Scala Network Bridge Guide <a href="#id-9-scala-network-bridge-guide" id="id-9-scala-network-bridge-guide"></a>

The Scala Network Bridge facilitates seamless, bidirectional asset transfers between the native **Scala Network** and three major ecosystems: **Solana (SOL)**, **Ethereum (ETH)**, and **Binance Smart Chain (BSC)**.  This process allows users to **wrap** native **XLA** into **wXLA** (Wrapped XLA) for use on external chains, and **unwrap** wXLA back to native XLA on the Scala Network. <br>

<figure><img src="/files/zx7vxhUJBVMbScikLjJy" alt=""><figcaption></figcaption></figure>

### What is a Bridge and Why Do You Need It? <a href="#id-11-what-is-a-bridge-and-why-do-you-need-it" id="id-11-what-is-a-bridge-and-why-do-you-need-it"></a>

Imagine the world of cryptocurrency as a collection of separate islands. Each island (like **Ethereum**, **Solana**, or **BNB Chain**) has its own unique rules, currency, and shops (apps).  Normally, you cannot take your money from one island and spend it on another; you are stuck where you started.&#x20;

A **crypto bridge** acts as a secure ferry or tunnel connecting these islands.  It allows you to move your value from one network to another without selling your assets or using a centralized bank.&#x20;

#### How It Works (The "Locked Box" Concept) <a href="#id-11-how-it-works-the-locked-box-concept" id="id-11-how-it-works-the-locked-box-concept"></a>

When you use a bridge to move assets (like **XLA**) from the **Scala Network** to another chain (like **Ethereum**):

1. **Lock**: The bridge takes your native **XLA** and locks it in a secure digital vault on the Scala Network.
2. **Mint**: Once the lock is confirmed, the bridge creates an equal amount of **Wrapped XLA (wXLA)** on the destination chain.&#x20;
3. **Result**: You now have **wXLA** on Ethereum that behaves exactly like a native Ethereum token, even though the original **XLA** is safely sitting on Scala.  The value remains **1:1**.

When you want to go back, you "burn" (destroy) the **wXLA**, and the bridge unlocks your original **XLA** on the Scala Network.

#### Unlocking DEXs and dApps <a href="#id-11-unlocking-de-xs-and-d-apps" id="id-11-unlocking-de-xs-and-d-apps"></a>

The primary reason to use a bridge is to access **Decentralized Exchanges (DEXs)** and other **Decentralized Applications (dApps)** that don't exist on your home network.&#x20;

* **Access New Markets**: Suppose a popular trading platform or a high-yield savings protocol only exists on **Ethereum**. Without a bridge, your **XLA** on Scala is useless there.  By bridging to **wXLA**, you can instantly trade, lend, or earn interest on that Ethereum platform.&#x20;
* **One Wallet, Many Worlds**: You don't need to create new accounts. Your single wallet address works across these connected networks. The bridge simply allows your assets to "travel" to where the best opportunities are.&#x20;

In short, bridges turn isolated islands into a connected global economy, letting you use your XLA anywhere in the crypto world.&#x20;