Summary: This guide provides an easy step-by-step method to add the opBNB Layer 2 scaling solution by Binance Chain to your MetaMask wallet using authenticated RPC endpoints. Integrating opBNB offers enhanced speed, lower gas fees, and increased capacity, and the instructions include all the necessary details for a streamlined connection. Always refer to the official documentation, as the information may be subject to change.

Table of Contents

How to Add opBNB to MetaMask

The simplest method to integrate the new opBNB layer 2 solution by Binance Chain into your MetaMask wallet is by manually entering the authenticated RPC endpoints. This information is accessible on the wallet configuration page within the BNB Optimistic Rollup documentation. Users should be aware that this page is a dynamic document and may be subject to alterations.

Below is a straightforward, step-by-step guide to help you get started.

  1. Visit the opBNB documentation to find the mainnet RPC endpoints.
  2. Find the opBNB Mainnet network information.
  3. Open you MetaMask Wallet and select ‘Add Networks’.
  4. Input the RPC details and you will be connected to opBNB.
Add opBNB to MetaMask
opBNB Mainnet information via the official documentation.

opBNB Mainnet RPC Details 

For developers and users looking to get started quickly, the verified RPC details for a direct connection to the mainnet are provided below.

These details allow for a streamlined connection to the opBNB Mainnet, facilitating an efficient interaction with the network for both developers and users. Please always double-check the documentation as this information may be subject to change.

What is opBNB?

opBNB is a Layer 2 scaling solution for the BNB Smart Chain, leveraging the bedrock version of the Optimism OP Stack. By offloading transaction processing from the main chain, it offers enhanced speed, lower gas fees, and increased capacity. It also enables streamlined user interactions with smart contracts and network data. 

Its compatibility with the Ethereum Virtual Machine (EVM) allows for easy migration of decentralized applications from other EVM-compatible chains. Essentially, opBNB combines the scalability of a rollup with the security of the BNB Smart Chain, providing an efficient and cost-effective solution for users and developers alike.


Final Thoughts

Adding opBNB to MetaMask is a straightforward process that enhances the capabilities of your wallet by integrating the opBNB Layer 2 scaling solution. By following the simple guide provided above and referring to the authenticated RPC endpoints, users can leverage the benefits of opBNB. Whether you're a developer or an everyday user, this connection offers improved speed, reduced gas fees, and a seamless experience. Always remember to double-check the documentation, as the information may change, to ensure a secure and efficient integration.