Configure MetaMask for Chains

This guide provides the general steps to connect your MetaMask wallet to the following supported networks:

• Ethereum
• Polygon
• Binance Smart Chain (BSC)
• Base
• RWA.IO

Step 1: Install MetaMask

If you don’t already have MetaMask:

1. Go to https://metamask.io
2. Download and install the browser extension (Chrome, Firefox, Brave, or Edge).
3. Open MetaMask and either create a new wallet or import an existing one using your secret recovery phrase.

Step 2: Add a Network to MetaMask

To add a new blockchain network to MetaMask:

1. Open the MetaMask extension.
2. Click the network selector at the top of the window (defaults to "Ethereum Mainnet").
3. Click "Add network" → then select "Add a network manually".
4. Enter the network information as listed below.
5. Click Save.
6. MetaMask will automatically switch to the selected network.

RWA.IO

Mainnet

• Network Name: RWA.IO
• New RPC URL: https://subnets.avax.network/rwa/mainnet/rpc
• Chain ID: 43114
• Currency Symbol: RWA
• Block Explorer URL: https://subnets.avax.network/rwa
• 🔗 Instructions

Testnet

• Network Name: RWA Testnet
• New RPC URL: https://rpc-op.rwa.io
• Chain ID: 42069
• Currency Symbol: ETH
• Block Explorer URL: https://explorer-op.rwa.io
• 🔗 Instructions

Ethereum

Mainnet

• Network Name: Ethereum Mainnet
• RPC URL: (default, no need to enter)
• Chain ID: 1
• Currency Symbol: ETH
• Block Explorer URL: https://etherscan.io
• 🔗 Instructions

Testnet (Sepolia)

• Network Name: Sepolia
• New RPC URL: https://rpc.sepolia.org
• Chain ID: 11155111
• Currency Symbol: ETH
• Block Explorer URL: https://sepolia.etherscan.io
• 🔗 Instructions

Polygon

Mainnet

• Network Name: Polygon Mainnet
• New RPC URL: https://polygon-rpc.com
• Chain ID: 137
• Currency Symbol: MATIC
• Block Explorer URL: https://polygonscan.com
• 🔗 Instructions

Testnet (Mumbai)

• Network Name: Mumbai Testnet
• New RPC URL: https://rpc-mumbai.maticvigil.com
• Chain ID: 80001
• Currency Symbol: MATIC
• Block Explorer URL: https://mumbai.polygonscan.com
• 🔗 Instructions

Base

Mainnet

• Network Name: Base Mainnet
• New RPC URL: https://mainnet.base.org
• Chain ID: 8453
• Currency Symbol: ETH
• Block Explorer URL: https://base.blockscout.com/
• 🔗 Instructions

Testnet (Base Sepolia)

• Network Name: Base Sepolia
• New RPC URL: https://sepolia.base.org
• Chain ID: 84532
• Currency Symbol: ETH
• Block Explorer URL: https://sepolia-explorer.base.org
• 🔗 Instructions

Binance Smart Chain (BSC)

Mainnet

• Network Name: BSC Mainnet
• New RPC URL: https://bsc-dataseed.binance.org
• Chain ID: 56
• Currency Symbol: BNB
• Block Explorer URL: https://bscscan.com
• 🔗 Instructions

Testnet

• Network Name: BSC Testnet
• New RPC URL: https://data-seed-prebsc-1-s1.binance.org:8545
• Chain ID: 97
• Currency Symbol: tBNB
• Block Explorer URL: https://testnet.bscscan.com
• 🔗 Instructions

Step 3: Switch and Use

Once you've added the network:

1. Open MetaMask.
2. Select the appropriate network from the dropdown.
3. You are now ready to interact with dApps and send/receive assets on that chain.

Note: Always verify network details and token contracts from official sources before proceeding.