How to Prepare Your Wallet for a Cross-Chain Swap

How to Prepare Your Wallet for a Cross-Chain Swap

If you are moving crypto from your own wallet, check both addresses and reserve network fees before sending. A few minutes of preparation can prevent a costly mistake.

How do you prepare both wallets?

Decide what you are sending, what you want to receive, and where the result should arrive. Then work through these steps:

  1. Check the asset and network. “USDC” can exist on several networks. Confirm the source asset and network match the swap details.
  2. Choose a destination address you control. Check that it belongs to the right asset and network. A Bitcoin address cannot receive ETH, for example.
  3. Keep some source-chain coin for gas. Gas is the network fee for sending your deposit. For an Ethereum token, keep ETH in the wallet to pay it; sending your full balance may leave no ETH for the transaction.
  4. Leave room for swap costs. As an example, Chainflip’s published typical liquidity fee is 0.10–0.15% per pool, plus a 0.10% network fee. A 100 USDC swap through one pool would be about 0.20–0.25 USDC before transfer costs or any broker fee. The route and live costs affect the final amount.
  5. Check the refund address and amount. If a swap cannot meet its price protection, funds may be returned to the source chain. Use an address you can access there, and send only the amount specified for that swap.

What happens after you send the deposit?

The source blockchain first records your transfer. Validators—network operators that check transactions—then confirm the deposit. After that, the swap is processed and the output is sent to your destination address. This takes longer than an instant exchange balance update; the wait depends largely on the source network.

For Chainflip, each Deposit Channel is a unique address linked to the swap’s destination details. Use a fresh deposit request for each swap, and send promptly: channels expire after 24 hours. For a fuller explanation of how Chainflip handles swap types, see the article covering the process and its variations.

Before signing, compare the destination address character by character, then check it again on the wallet’s confirmation screen. If the address or network is wrong, the funds may be hard or impossible to recover. A small test transfer can help when you are unsure, but it also pays network fees.

Do I need to connect my wallet?

Not always. In a deposit-address swap, you send funds from a wallet that can make the source-chain transfer. The swap request still needs a valid destination address and, when refunds are possible, an address that can receive the original asset.

Why does the swap take longer than a centralised exchange trade?

A centralised exchange can update its own account records internally. A cross-chain swap waits for the source network to confirm the deposit, processes the trade, and broadcasts a new transaction on the destination network. Congestion can lengthen either wait.

What if I send the wrong amount?

Follow the amount and deposit instructions attached to that specific swap. A different amount may not fit its price or refund settings. If you notice an error, keep the transaction hash—the public record identifier—and check its status before taking further action.

What is the best final check?

Confirm the source network, destination network, destination address, deposit amount, and available gas in one pass. My practical tip: copy the address from the wallet you control, then compare its first and last characters before signing.

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