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What is opBNB?​

Here are 5 key points about the opBNB Network:

  • opBNB is designed as a Layer 2 scaling solution for the Binance Smart Chain (BSC) powered by bedrock version of Optimism OP Stack. .

  • opBNB uses Optimistic Rollup technology to bundle multiple transactions off-chain and submit them as a single batch to the main Binance Smart Chain.

  • Optimistic Rollup allows opBNB to achieve significantly higher transaction throughput compared to the BSC main chain and supports up to 5,000 transactions per second.

  • Users interact with the opBNB network by depositing funds from BSC and using applications and contracts on opBNB.

  • BNB bridged from BSC is the token used for transaction fees on the opBNB Network. Visit the official opBNB bridge and use WalletConnect to deposit BNB to opBNB Network.


Learn more about the opBNB Network.

opBNB on Gem Wallet​

Gem Wallet has the following features enabled for opBNB:

  • Bridge BNB to opBNB via WalletConnect.
  • Store opBNB and BEP20 tokens securely.
  • Send and Receive opBNB and BEP20 tokens natively.

opBNB on GemWallet opBNB on GemWallet

What are BEP20 tokens?​

  • BEP20 tokens are fully compatible with Ethereum's ERC20 token standard which can seamlessly interact with Ethereum's ecosystem, including wallets, decentralized exchanges (DEXs), and other decentralized applications (dApps).
  • BEP20 tokens on Smart Chain can be bridged over to opBNB Network.
  • BEP20 tokens transactions on opBNB Network has lower gas fee, and higher block gas limit, which means the gas fee will be more stable when traffic of Layer 2 increases.

Learn more about BEP20 tokens from this Gem Wallet Learn article:
What Is BEP20 and What You Need to Know About Tokens on the BNB Blockchain

How to Get opBNB (BNB)?​

Here are some ways to acquire some Arbitrum Ethereum (ETH):

  • Bridge BNB to opBNB directly on the Gem Wallet app via WalletConnect.
  • Receive opBNB with the unique opBNB address on the Gem Wallet app.

Bridge BNB to opBNB on GemWallet Receive opBNB on GemWallet


Send only opBNB (BNB) on the address.

Transaction Fees on opBNB​

The fees on opBNB are summarized as follows:

  • Fees on opBNB Network is significantly lower compared to those on the main Binance Smart Chain (BSC).
  • Transactions are aggregated and then submitted as a single batch to the main chain, which reduces the cost per transaction.

Send opBNB on GemWallet opBNB Fees on GemWallet

How to Check opBNB (BNB) Balance?​

Gem Wallet app connects to the opBNB Network to show the BNB balance on your wallet. Tap on the 3 dots at the upper right corner, then tap on View address on BSCScan.

View opBNB link to BSCScan opBNB Balance on BSCScan


BSCScan is the default opBNB explorer of Gem Wallet. You can manually check balances and transactions by going to BSCScan and search for your BNB address.