> For the complete documentation index, see [llms.txt](https://docs.well3.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.well3.com/farming-and-beta/opbnb.md).

# opBNB

a Layer 2 scaling solution for the BNB Chain, built on the OP Stack and offer users faster and cheaper transactions

## Add to MetaMask

Network name: **`opBNB Mainnet`**\
RPC URL: [**`https://opbnb-mainnet-rpc.bnbchain.org`**](#user-content-fn-1)[^1]\
Chain ID: [**`204`**](#user-content-fn-1)[^1]\
Currency symbol: **`BNB`**\
Block explorer URL: **`https://mainnet.opbnbscan.com`**

## Deposit for gas

Suggest to transfer 0.01 BNB, which is more than enough

* Withdraw From Binance

<figure><img src="https://4068645202-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6RAoZ3PjCbHHThYOGhcQ%2Fuploads%2FG9LUORyHMh3YlaC9CItF%2Fbinance_opbnb.jpg?alt=media&amp;token=73eca94d-69f0-4443-b02f-3cb0263e8f24" alt=""><figcaption></figcaption></figure>

* Bridge BNB to opBNB\
  <https://opbnb-bridge.bnbchain.org/deposit>

[^1]: