How to Bridge to Optimism

Summary: Transferring assets to Optimism is secure and capital-efficient when utilizing a trusted platform like Across Protocol. Known for its low fees, high transaction volumes exceeding $2.9 billion, and strong security features, including UMA's optimistic oracle, Across stands out as a trusted choice for cross-chain activities. 

Whether you're moving assets from Ethereum or another layer 2 solution, Across ensures a smooth and cost-effective transition to Optimism. The protocol currency supports swaps with tokens, including USDC, USDT, WETH, DAI and WBTC.

Can I Bridge to Optimism? 

Yes, you can bridge to Optimism from Ethereum and other EVM-based layer 2 solutions using a trusted cross-chain bridge. These platforms enable users to connect their MetaMask or any Web 3 compatible wallet to carry out transactions, typically involving digital assets such as WETH, USDC, and USDT. Given that Optimism is designed for compatibility with the Ethereum Virtual Machine (EVM), reliable bridge options are readily available, making the transfer process both secure and straightforward.

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How to Bridge to Optimism

When bringing your assets to Optimism, choosing a trustworthy and capital-efficient bridge is crucial. After careful review, we found that Across Protocol is the best, safest and most cost-effective way to bridge WETH, USDT and other tokens to Optimism. The platform boasts over $2.5 billion in volume and is one of the only bridges that validates transactions using optimistic proofs.

Here's a simple 4-step guide to ensure a smooth transfer to Optimism:

1. Visit Across and connect your wallet.
2. Select your starting chain (e.g. Ethereum or Arbitrum) and ‘Optimism’ as your target chain.
3. Select the token you want to bridge and the amount. Now review the details and estimated fee.
4. To finalize, select ‘Confirm Transaction’ and complete the remaining prompts on your wallet's interface.

By following this guide, you can count on a secure and efficient bridging process, all made possible by the reliable services offered by Across.

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Optimism Bridge Fees

If you're considering moving assets to Optimism using a trustworthy bridge like Across, it's important to be aware of the fees involved. Across has a protocol fee ranging from 0.06% to 0.12% of your transaction's total value, which is more affordable compared to other bridges. 

Gas fees vary depending on where you're coming from. For Ethereum to Optimism, the gas fee can be around $10 with Ethereum gas at 10 GWEI. However, if you're moving between layer 2 solutions like Arbitrum to Optimism, the gas fees are usually less than $0.10. Across also features a fee estimator, so you can get a clear picture of total costs.

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Is Across a Trustworthy Option for Optimism?

Across is a secure avenue for transferring assets to and from Optimism. With an impressive history of facilitating over $2.5 billion in successful cross-chain transactions, it's become a preferred choice for various layer 2 solutions. Across employs UMA's well-regarded optimistic oracle for added security, enhancing the platform's robustness and trustworthiness.

In addition to its technical merits, Across has garnered financial support, recently securing a $10 million investment from reputable U.S. financial firms like Placeholder and Blockchain Capital. The V2 version of Across uses a unique architecture involving Relayers and an Optimistic Oracle on Ethereum to facilitate seamless and safe transfers. This added financial and technological backing underscores Across as a dependable and credible bridge.

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Bottom Line

In summary, bridging assets to Optimism is a straightforward process, particularly when using a reputable and efficient service like Across Protocol. With low fees, high transaction volume, and security features like UMA's optimistic oracle, Across stands out as a trustworthy option for transferring digital assets. Whether you're bridging from Ethereum or another layer 2 solution, following our 4-step guide ensures a smooth, secure, and cost-effective transition to Optimism.