How to swap tokens across chains on 1inch

Moving assets between blockchains used to be frustrating. You often have to bridge assets manually, switch networks, manage gas tokens on multiple chains and interact with several different interfaces just to complete a single cross-chain swap.

1inch simplified this process through its cross-chain swap functionality. Instead of manually bridging and swapping assets yourself, you define the tokens and chains you want to move between, while the protocol handles routing and execution behind the scenes.

Here’s how cross-chain swaps work on 1inch and how to execute one safely and efficiently.

What is a cross-chain swap?

A cross-chain swap allows you to exchange tokens between different blockchains in a single flow.

For example:

• swap ETH on Ethereum for USDC on Arbitrum
• exchange BNB on BNB Chain for MATIC on Polygon
• move assets between networks without manually bridging first

Traditionally, this process required:

• using a bridge
• waiting for asset transfers
• claiming wrapped assets
• performing a separate swap afterward

1inch cross-chain swaps combine these steps into a more streamlined experience.

Why swap across chains

Different blockchains offer different advantages:

• lower fees
• faster transactions
• unique DeFi ecosystems
• chain-specific liquidity
• token availability

Cross-chain swaps help you:

• move liquidity between ecosystems
• access protocols on other chains
• reallocate assets between chains
• reduce network costs
• access different DeFi ecosystems

Without cross-chain infrastructure, this process becomes fragmented and operationally risky.

How to make a cross-chain swap on 1inch

Step 1 - Open the 1inch dApp

Go to the 1inch dApp and connect your wallet, choose Swap in the upper menu.

Make sure your wallet contains:

• the asset you want to swap
• sufficient balance for approval if needed

Step 2 - Select the origin and destination chains

In the swap form, choose:

• the chain you are swapping from
• the token you want to send

Then select:

• the token you want to receive
• the chain you want to receive assets on

Step 3 - Review the quote

Before confirming, review:

• estimated receive amount
• destination chain
• network fees

Because 1inch aggregates liquidity and uses resolver competition, execution quality may differ depending on:

• market conditions
• chain congestion
• liquidity depth

Step 4 - Approve the token if necessary

If this is the first time swapping a specific token, you may need to approve token access through your wallet.

Step 5 - Sign the swap intent

Once ready:

• click “Swap”
• review the details
• sign the intent through your wallet

Unlike traditional bridging workflows, 1inch Swap uses intent-based execution that reduces public mempool exposure compared to traditional bridging workflows.

Step 6 - Wait for settlement

Resolvers execute the swap across chains and settle the assets into your wallet on the destination network.

Once completed:

• the new tokens appear on the target chain
• no separate claiming step is required

Benefits of cross-chain swaps on 1inch

Non-custodial approach

The protocol does not take custody of your assets at any point in the swap process, which reduces security risks. In the event a transaction cannot be completed, the process is designed to revert and return assets to you.

You avoid juggling:

• multiple bridges
• separate DEXs
• manual transfers
• wrapped token flows

Intent-based execution

Instead of managing execution manually, you define the desired outcome while resolvers handle routing and settlement.

Reduced MEV exposure

1inch’s cross-chain swap engine, the Fusion+ protocol, is designed to reduce exposure to common MEV risks associated with public mempool visibility.

Access to aggregated liquidity

1inch sources liquidity across multiple protocols and ecosystems to improve execution quality.

Gas abstraction

Resolvers handle execution complexity, reducing operational friction for users moving assets between chains. Gas costs may be incorporated into execution pricing rather than charged separately

What to check before making a cross-chain swap

Before confirming any cross-chain transaction:

• verify the destination chain carefully
• double-check token addresses
• confirm estimated receive amounts
• review execution time estimates
• ensure your wallet supports the destination network

It is also important to avoid interacting with unofficial bridges or phishing interfaces pretending to support cross-chain swaps.

Always use verified 1inch links and trusted wallet providers.

Cross-chain swaps vs traditional bridges

Traditional bridging often requires:

1. bridging assets
2. waiting for confirmation
3. claiming wrapped assets
4. swapping separately afterward

Cross-chain swaps simplify this into a single execution flow.

Instead of treating bridging and swapping as separate actions, 1inch’s Fusion+ protocol combines them into one coordinated process.

The bigger trend: chain abstraction

Cross-chain infrastructure is part of a broader industry shift toward chain abstraction.

The long-term goal is simple: you should focus on assets and outcomes - not blockchain mechanics.

Intent-based systems are increasingly becoming the infrastructure layer enabling this transition.

Swap tokens across chains on 1inch now.