What is Wrapped BNB?

Wrapped BNB stands for "wrapped BNB," a tokenized representation of BNB that conforms to the BEP20 standard on major smart chain networks. This innovative solution bridges the gap between BNB's native currency functionality and its compatibility with decentralized applications and token trading mechanisms.

BNB Token

BNB is the native currency built on leading blockchain ecosystems. As the foundational digital asset of this blockchain infrastructure, BNB powers transactions, smart contracts, and serves as the primary medium of exchange within the network. However, its original design differs from standardized token implementations, which creates certain limitations when interacting with decentralized applications and token swap protocols.

Alternative Tokens

When a decentralized application (dApp) is built on smart chain networks, it typically implements its own native token to facilitate governance, utility, or incentive mechanisms. Examples include Band Protocol's BAND token and Chainlink's LINK token. These alternative tokens are designed with specific purposes in mind, ranging from oracle services to data provision, and each operates within its own economic model and use case framework.

BEP20 Standard

The BEP20 standard is a technical specification that enables any tokens on smart chain networks to be used by other applications—from digital wallets to decentralized exchanges—in a consistent and interoperable manner. This standardization ensures seamless integration across the ecosystem. Wrapped BNB follows the BEP20 standard with one notable distinction: it has no owner, ensuring true decentralization. Furthermore, the BEP20 standard extends ERC20 functionality to facilitate cross-chain token transfers, enabling broader interoperability across multiple blockchain networks.

Why do you need Wrapped BNB?

There are two primary reasons why wrapped BNB is essential within smart chain ecosystems:

First, BNB does not conform to the BEP20 standard. BNB and BEP20 tokens are designed to achieve fundamentally different purposes. While BNB functions as a native currency for network operations and transaction fees, BEP20 tokens serve as standardized smart contract tokens. This architectural difference means that BNB cannot directly interact with protocols and applications designed for BEP20 tokens.

Second, wrapped BNB enables direct trading with alternative tokens. Wrapped BNB can be seamlessly traded with other BEP20 tokens on decentralized exchanges and through liquidity pools. Moreover, wrapped BNB can be converted back to BNB at any time, maintaining full flexibility and liquidity for users.

Wrapped BNB in Smart Chain Networks

Wrapped BNB is deployed as a smart contract on major smart chain networks, providing users with a bridge between native BNB and the standardized BEP20 token ecosystem. The contract implements the complete BEP20 interface, including transfer, approve, and allowance functions. This standardized implementation ensures that wrapped BNB can be recognized and utilized by all applications, wallets, and protocols built on these networks that support BEP20 tokens.

How to wrap your BNB

Wrapping BNB into wrapped BNB is a straightforward process executed through the smart contract interface. Before proceeding with large amounts, it is strongly recommended to wrap and unwrap a small amount of BNB to familiarize yourself with the process.

Convert BNB to Wrapped BNB

To convert your BNB to wrapped BNB, follow these steps:

1. Access the wrapped BNB wrapping interface and navigate to the "Write Contract" section
2. Click "Connect to Web3" to establish a secure connection with your wallet
3. Approve the connection request and verify your wallet address in the authentication prompt
4. Click "Add Token" and input the wrapped BNB token information to ensure proper display in your wallet
5. Call the "Deposit" function and specify your desired deposit amount
6. Click "Write" to initiate the transaction
7. Confirm the transaction in MetaMask or your connected wallet
8. Wait for the transaction to be confirmed and observe your balance update

Send Wrapped BNB

Once you have wrapped BNB into wrapped BNB, you can send it through two methods. The first method involves calling the "transfer" function directly from the contract interface—ensure that the amount specified is denominated in Wei, the smallest unit of the token. The second method allows you to send wrapped BNB directly from MetaMask or your supported wallet application, which provides a more user-friendly experience.

Withdraw Wrapped BNB to BNB

To convert your wrapped BNB back to native BNB, follow this process:

1. Call the "withdraw" function of the wrapped BNB contract
2. Specify the amount you wish to withdraw
3. Confirm the transaction in your connected wallet
4. Wait for transaction confirmation and balance updates

Conclusion

Wrapped BNB represents a critical infrastructure component within smart chain ecosystems, enabling seamless integration between BNB and the broader DeFi landscape. By wrapping BNB into a BEP20-compliant token, users gain the ability to trade directly with alternative tokens, participate in decentralized protocols, and maintain full liquidity while preserving the option to unwrap back to native BNB at any time. Understanding what is wrapped BNB and how to wrap, transfer, and unwrap it is essential for anyone engaging with decentralized applications and token trading on major smart chain networks.

## FAQ

### What is wrap BNB?

Wrapped BNB (WBNB) is a tokenized version of a coin on the Binance Smart Chain, following the BEP-20 standard. Every [WBNB](https://dex.gate.com/crypto-wiki/article/a-detailed-overview-of-wrapped-bnb-tokens-20251225) is backed 1:1 by BNB, enabling seamless trading and DeFi interactions on BSC.

### What is the point of wrapped crypto?

Wrapped crypto enables cross-chain liquidity and asset portability. It allows you to trade and use cryptocurrencies on different blockchains, improving capital efficiency and market interoperability while unlocking diverse investment opportunities.