BSMNT.fun
AnySpend SDKNetwork
Connect to B3
B3 is fully EVM-compatible network of chains. Easily connect to B3 with your wallet.
Using B3 with Your Wallet
It’s easy to connect with any Ethereum wallet including MetaMask, Coinbase Wallet, Rainbow, and more.These buttons work with MetaMask and other Web3 wallets. They’ll automatically add the network configuration or switch to B3 if it’s already added.
Add B3 Mainnet
Using B3 Explorer Recommended
Add with Chainlist
Use Chainlist to add B3 to your wallet
The fastest way to add B3 to your wallet:
1
Visit B3 Explorer
Go to explorer.b3.fun and click “Add B3 Chain”
2
Connect Wallet
Connect your wallet (MetaMask, Coinbase Wallet, etc.)
3
Add Network
Click “Add to Wallet” for B3 Mainnet
B3 will be automatically added to your wallet with the correct configuration
Wallet-Specific Instructions
MetaMask
1
Open MetaMask
Click the MetaMask extension in your browser
2
Access Networks
Click the network dropdown at the top and select “Add network”
3
Add Network Manually
Click “Add a network manually” at the bottom
4
Enter B3 Details
Fill in the B3 network information
See the complete B3 Mainnet configuration
5
Save and Switch
Click “Save” and MetaMask will automatically switch to B3
You’re now connected to B3! You’ll see “B3 Mainnet” in your network dropdown.
Coinbase Wallet
1
Open Coinbase Wallet
Launch the Coinbase Wallet browser extension
2
Navigate to Settings
Go to the Settings tab and click Networks
3
Add Custom Network
Click the plus sign (➕) in the top right to Add custom network
4
Configure B3 Network
In the Add custom network dialog, enter the B3 mainnet information:
See the complete B3 Mainnet configuration for copyable values
5
Save Configuration
Click “Save” to add B3 to your available networks
Coinbase Wallet will automatically detect that the native token is ETH
Rainbow Wallet
1
Open Rainbow
Launch Rainbow wallet on your mobile device or browser extension
2
Access Settings
Tap the profile icon and go to Settings → Networks
3
Add Custom Network
Tap “Add Custom Network” and enter B3 details
See the complete B3 Mainnet configuration for copyable values
4
Connect to B3
Save the configuration and switch to B3 Mainnet
B3 Mainnet Configuration
B3 Mainnet
Complete configuration details for B3 Mainnet:Network Name:Chain ID:RPC URL:Explorer URL:Native Token:
B3 Testnet Configuration
B3 Testnet
Complete configuration details for B3 Testnet:Network Name:Chain ID:RPC URL:Explorer URL:Native Token:
Troubleshooting
Network not appearing in wallet
Network not appearing in wallet
- Double-check the Chain ID (8333 for mainnet)
- Ensure the RPC URL is correct:
https://mainnet-rpc.b3.fun - Try refreshing your wallet or restarting the browser
Transactions failing
Transactions failing
- Verify you’re connected to the correct B3 network - Check that you have sufficient ETH for gas fees - Ensure the contract address is valid on B3
Slow transaction speeds
Slow transaction speeds
- B3 typically processes transactions in 1-2 seconds - If experiencing delays, check the B3 network status - Consider adjusting gas price if needed
Can't see my tokens
Can't see my tokens
- Import token contracts manually using the B3 Explorer
- Ensure you’re viewing the correct network in your wallet
- Some tokens may need to be manually added to your wallet’s token list
Always verify that users are connected to the correct B3 network before executing transactions. The Chain ID for B3
Mainnet is 8333.
Ready to start building on B3? Your wallet is now configured! Check out our SDK documentation to
begin integrating B3 into your application.