How to Bridge from Polygon to Base
Explore our expert guide on transferring assets from Polygon to Base, highlighting cost-efficiency, security, and ease of use with various wallets.
Summary: For users planning to transfer assets from Polygon to Base, Across Protocol emerges as a dependable and thoroughly audited bridge. It allows for smooth integration with MetaMask or any Web 3 compatible wallet, facilitating the transfer of various tokens, including ETH, USDT, DAI, and USDC, directly to Base.
Our evaluation highlights Across Protocol as a secure and cost-effective choice, with an impressive record of over $3.4 billion in successful cross-chain transfers. It's acknowledged as one of the safest and most capital-efficient platforms for bridging between EVM-compatible layer 2 networks, underscoring its trustworthiness and efficiency in the crypto bridging space.
Can I Bridge from Polygon to Base?
Yes, transferring assets from Polygon to Base is possible using dedicated cross-chain bridges, specifically designed for interfacing with these Ethereum layer 2 networks. You can utilize MetaMask or any Web 3 compatible wallet for this purpose, supporting a range of tokens such as WETH, USDC, WBTC, DAI, and USDT. Since Polygon and Base are engineered to be compatible with the Ethereum Virtual Machine (EVM), reliable and user-friendly bridges exist, ensuring a secure and straightforward bridging experience.
How to Bridge Between Polygon and Base
For transferring assets from Polygon to Base, selecting a bridge that ensures security and efficiency is key. We recommend Across for its impeccable track record in providing a secure and cost-efficient bridging service. Across stands out with its unblemished security record, competitive fees, and broad support for tokens like WETH, USDC, and USDT. Additionally, it seamlessly integrates with widely used wallets, including MetaMask and Coinbase.
Here’s an easy 4-step guide to bridge your assets from Polygon to Base:
- Visit the Across website and connect your wallet.
- On the platform, set 'Polygon' as your source and 'Base' as your destination. Then, choose the token you wish to transfer.
- Enter the amount of the token you're transferring and select 'review bridge' to examine the transaction details.
- Follow your wallet’s instructions to complete the transfer by confirming the transaction.

What are the Fees?
Bridging assets from Polygon to Base using the renowned Across bridge entails a protocol fee typically ranging from 0.06% to 0.12% of the transaction's total value. This fee structure positions Across as a more economical choice than alternatives like Synapse or Orbiter, which often impose base fees of around 0.1% per transaction.
Additionally, the network gas fees for transactions between these layer 2 networks are notably low, frequently under $1. Across enhances the user experience by incorporating a fee estimation tool, demonstrating its commitment to transparency and user convenience.
Is Across Safe for Base and Polygon?
Across has established itself as a reliable bridge for asset transfers between layer 2 solutions such as Polygon and Base. Demonstrating its efficacy, the platform has successfully handled over $3.4 billion in cross-chain transactions, making it a favoured choice among users of layer 2 networks. Its security is enhanced by integrating UMA's optimistic oracle, offering an additional safeguard.
Furthermore, Across has cemented its reliability and trustworthiness in the crypto community with over $150 million in total value locked, providing substantial liquidity on the platform. This is bolstered by a recent $10 million investment from reputable U.S. financial entities, including Placeholder and Blockchain Capital, highlighting its growing strength and security in the crypto bridge market.

Bottom Line
In summary, Across Protocol is a top choice for bridging assets from Polygon to Base, combining ease of use, security, and cost-efficiency. Its compatibility with popular wallets and support for various tokens, along with a proven track record of over $3.4 billion in transfers, establishes its reliability. With competitive fees and significant liquidity with over $150 million in total value locked, Across Protocol confidently positions itself as a secure and user-friendly bridge in the layer 2 network space.