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BNB Chain Cross-Chain Bridge Guide

> Status: Draft · Last updated: 4 Jun 2025

1 Who Is This Guide For?

  • 🧑‍💻 Users who want to transfer tokens in and out of BNB Chain from other chains like Ethereum or Solana.
  • 🛠️ Developers who want to integrate a cross-chain bridge widget on their website using BNB Chain’s Canonical Bridge.

2 Why This Guide Matters

Many users don’t realize that cross-chain transfers are possible or easy. BNB Chain offers a bridge aggregator that shows the best route for moving assets between chains using one of our six route providers:

Supported Route Providers:

  • Stargate
  • Celer
  • deBridge
  • Meson
  • LayerZero
  • Mayan

✅ We help users see available routes for transferring assets into or out of BNB Chain, but we do not operate the routes or control token availability.

3 How to Use the BNB Chain Bridge (User Guide)

Step-by-Step

  1. Visit bnbchain.org/en/bnb-chain-bridge.
  2. Choose your source chain (e.g. Ethereum) and destination chain (e.g. BNB Chain).
  3. Connect your wallet to source chain.
  4. Choose a token to bridge and enter the amount.
  5. The bridge tool will display available routes based on your token and chains.
  6. Click Send (or Approve if required).
  7. Wait for the transaction to complete. You’ll receive your tokens on the destination chain.

4 Understanding Bridge Aggregation

BNB Chain’s bridge tool is an aggregator. It finds available routes from partner bridge providers but:

  • ❌ We do not custody tokens.
  • ❌ We cannot add tokens ourselves.
  • ✅ We simplify access and offer visibility into supported routes.

You can use the bridge for all directions – not just from BNB Chain to others, but also from Ethereum, Solana, and other supported chains to BNB Chain.

5 Developer Guide: Integrate the Canonical Bridge Widget

To integrate the same aggregator bridge experience in your own dApp or website:

📦 Canonical Bridge Repository

GitHub: github.com/bnb-chain/canonical-bridge

Features

  • Embed cross-chain bridging into any website.
  • Supports the same 6 route providers.
  • React component + config options.
  • Supports custom networks, tokens, style.
  • Supports other chain to other chain transfer (e.g. Ethereum to Base)

Use Cases

  • DeFi dApps
  • Wallet UIs
  • NFT platforms offering cross-chain support

6 FAQs

Question Answer
I don’t see my token listed? Route providers decide which tokens they support. You can contact them directly.
Is this a bridge just for BNB Chain? No — it supports all chains connected via our 6 providers.
Can I use this from Solana to Ethereum? Yes, as long as a route provider supports it. (Only available in Canonical Bridge Widget)
Can I embed this bridge in my dApp? Yes — use the Canonical Bridge widget.

7 Final Notes

  • Users should always verify token addresses and routes.
  • For token support, contact the respective bridge provider.
  • BNB Chain simplifies access to existing infrastructure — we aggregate, not operate.

8 Changelog

  • 2025-05-28 – Initial draft of user + developer combined guide.