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How to bridge from BNB on Avalanche to tBTC on Optimism

Bridge your BNB on Avalanche to tBTC on Optimism

To bridge from Wrapped BNB (Wormhole) on Avalanche to Optimism tBTC v2 on Optimism, you will need to follow these steps. This guide will walk you through the process of transferring your assets from Wrapped BNB (Wormhole) on Avalanche to Optimism tBTC v2 on Optimism.

Step 1: Prepare Your Assets

Before you can bridge your assets, you need to ensure you have the necessary funds and assets on the Avalanche network. Make sure you have the correct Avalanche wallet address and that your Wrapped BNB (Wormhole) account is funded.

Step 2: Check Available Bridge Options

There are several bridges available to transfer your assets from Wrapped BNB (Wormhole) on Avalanche to Optimism tBTC v2 on Optimism. Some popular options include:

  • Stargate
  • Across
  • Circle CCTP
  • Allbridge
  • Connext
  • Symbiosis
  • Celer

Step 3: Select a Bridge

To choose your bridge, follow these steps:

  • Visualise the different quotes
  • Check the details for each quote (i.e: amount of tokens received, price impact, slippage, number of steps, gas cost, bridging time)

Step 4: Bridge Your Assets

Once you have find a quote you like, you can bridge your assets from BNB on Avalanche to tBTC on Optimism. Follow these steps:

  • Click on the quote you prefer
  • Verify the details of the quote (i.e: amount of tokens received, price impact, slippage, number of steps, gas cost, bridging time)
  • Click on "Start" execution
  • "Approve" your tokens inside your wallet and wait for the approval transaction to go through
  • "Bridge" your tokens inside your wallet and wait for the approval transaction to go through

Step 5: Verify Your Bridge

After bridging your assets, verify that they have been successfully transferred to the Optimism network. You can do this by either:

  • Clicking on the buttons to see each intermediate transaction
  • Go to your https://jumper.exchange/scan profile to visualize your recent transaction

Avalanche
Avalanche - Blockchain Information

Native tokenAVAX
Chain typeEVM
Chain id43114
Block explorer urlshttps://snowtrace.io/

Optimism
Optimism - Blockchain Information

Native tokenETH
Chain typeEVM
Chain id10
Block explorer urlshttps://optimistic.etherscan.io/

Wrapped BNB (Wormhole)
Wrapped BNB (Wormhole) - Token Information

SymbolBNB
Token address0x442F7f22b1EE2c842bEAFf52880d4573E9201158
Decimals18
Current USD price$691.00

Optimism tBTC v2
Optimism tBTC v2 - Token Information

SymboltBTC
Token address0x6c84a8f1c29108F47a79964b5Fe888D4f4D0dE40
Decimals18
Current USD price$96,232.64

What is a Blockchain / Crypto Bridge?

Blockchain bridges function similarly to physical bridges, but instead of connecting locations, they link different blockchain networks. This connection is crucial because, without a bridge, blockchain networks operate in isolation, unable to communicate or transfer assets between each other. Each blockchain has its own governance rules and native assets, which makes interoperability a challenge. By establishing a bridge, assets and data can be transferred between blockchains, facilitating crucial interoperability in the crypto ecosystem.

Consider Alice, who holds ETH on the Ethereum Mainnet but wants to use it on Avalanche. Since these two networks operate independently with their own rules and consensus mechanisms, direct communication isn't possible. To use her ETH on Avalanche, Alice can utilize a blockchain bridge to convert her ETH into wETH (wrapped ETH) that can function on Avalanche. This process allows her to access the features of both blockchains without needing to acquire additional assets.

Here's why bridges are essential for enhancing blockchain interoperability:

1. Isolation of Blockchains

Blockchains operate independently, much like countries with their own governments, languages, and regulations. Each blockchain has its unique set of rules and functionalities, making it impossible for them to communicate with one another directly. For example, Bitcoin has a capped supply of 21 million coins, while Ethereum utilizes smart contracts written in Solidity. This inherent isolation creates challenges for transferring data and assets across different chains.

2. Incompatibility of Systems

Similar to how countries cannot use each other's currencies without a means of conversion, blockchains cannot natively transfer tokens or information due to their distinct systems. Attempting to send Ethereum (ETH) to a Bitcoin (BTC) address is futile, as the protocols of each blockchain do not recognize each other’s formats. This incompatibility limits the potential for collaboration and innovation across the blockchain space.

3. Facilitating Interoperability

Bridges act as intermediaries that allow different blockchains to communicate and interact. By connecting disparate networks, bridges enable the transfer of tokens and information seamlessly. Just as physical bridges in the real world connect locations, blockchain bridges provide the necessary infrastructure for digital currencies and data to flow between chains.

4. Unlocking New Opportunities

The creation of bridges opens up new avenues for developers and users alike. With bridges, projects can leverage the unique features of various blockchains, enhancing functionality and user experience. This interoperability fosters a more vibrant and collaborative ecosystem, driving innovation and expanding the reach of blockchain technology.

5. Enhancing User Experience

For end-users, bridges simplify interactions across different blockchain platforms. They can easily transfer assets or access decentralized applications on various chains without navigating complex processes. This convenience not only improves user satisfaction but also encourages broader adoption of blockchain technology.