Add B20 Testnet to Your Wallet — MetaMask, OKX, Rabby, Trust Wallet
TestnetB20 Testnet is an EVM-compatible blockchain with Chain ID 223344 and native token TBOC. This page lets you add B20 Testnet to MetaMask, Rabby Wallet, OKX Wallet or Trust Wallet in one click — no manual Chain ID or RPC entry required.
Block Explorer
What is B20 Testnet?
B20 Testnet is an EVM (Ethereum Virtual Machine) compatible blockchain network. Any EVM wallet — MetaMask, Rabby, OKX Wallet, Trust Wallet, Coinbase Wallet — can connect and transact on B20 Testnet once you add the network configuration.
Why do you need to add B20 Testnet to your wallet?
MetaMask and most wallets only come pre-configured with Ethereum Mainnet. To transact, swap tokens, or use dApps on B20 Testnet, you need to add the network first. Entering an incorrect Chain ID or RPC can put your assets at risk. Use the "Add to wallet" button above — data sourced directly from chainid.network, the canonical Ethereum chain registry.
How to add B20 Testnet to your wallet
- 1
Click Add to wallet
Press the "Add to wallet" button above. MetaMask, OKX Wallet, Rabby Wallet or Trust Wallet will show a popup asking you to confirm adding the B20 Testnet network.
- 2
Confirm in your wallet
Your wallet shows the B20 Testnet network details: Chain ID 223344, native token TBOC. Verify the Chain ID is correct, then click "Approve" or "Add Network".
- 3
Switch to the new network
After confirming, your wallet automatically switches to B20 Testnet. You can start transacting right away — you will need TBOC to pay gas fees.
B20 Testnet network technical details
To add manually, go to Settings → Networks → Add Network in MetaMask (or your wallet's equivalent) and enter the details below:
Important notice
- •Always verify Chain ID 223344 before confirming — attackers sometimes create fake networks with similar names but different Chain IDs
- •You need TBOC tokens in your wallet to pay gas fees for transactions on B20 Testnet
- •Data on this page is sourced from chainid.network — the community-verified Ethereum chain registry
- •If the "Add to wallet" button doesn't work, your wallet may not support wallet_addEthereumChain — add the network manually using the details below