Withdraw your crypto to a wallet you control before bridging it. The exchange sends the asset on a blockchain, and your wallet receives it so you can choose what happens next.
What changes when crypto leaves an exchange?
An exchange account is a record the company manages for you. A self-custody wallet is software or a device that lets you control the keys needed to use your crypto.
When you withdraw, the exchange creates an on-chain transaction: a transfer recorded on a blockchain. You choose a destination address and a network, then the exchange sends the asset there. After the network confirms the transfer, the wallet can show and use it.
The network matters because the same asset name can exist on different blockchains. For example, ETH on Ethereum and ETH represented on another network are not automatically interchangeable. Choose the network your wallet address supports, and check that the receiving wallet can manage the asset on that network.
Before withdrawing, I would send a small test amount if the exchange allows it and the extra cost is reasonable. Check the first transfer in your wallet before sending the rest. A transfer to the wrong network or address can be difficult or impossible to recover.
How do you prepare a wallet and withdrawal?
First, create a wallet and back up its recovery phrase, the words that can restore access if you lose the device. Keep the phrase private and offline; anyone who gets it can control the wallet. Copy the receiving address from the wallet itself, then compare the first and last few characters after pasting it into the exchange.
On the exchange’s withdrawal page, match the asset and network to the wallet. Exchanges may charge a withdrawal fee, while the blockchain may also charge a network fee for later transactions. Bitcoin’s official documentation explains that transactions need confirmation by the network; Ethereum’s documentation explains that transactions use gas, a fee paid to process activity.
Here is a simple example. Say your exchange holds 0.05 ETH, and its withdrawal fee is 0.001 ETH. If that fee is taken from the amount, about 0.049 ETH reaches your wallet, before any later network costs. The numbers are illustrative; check the actual fee shown by your exchange.
Do not withdraw every last bit if you will need the asset to pay network costs. On Ethereum, for example, a wallet generally needs some ETH to pay gas for an Ethereum transaction. The exact amount depends on network conditions and what you do, so check the wallet balance and expected cost before you start.
What happens before you bridge the funds?
Once the funds arrive, confirm the asset and network in your wallet. Then decide where the funds need to end up. If the destination is a different blockchain, bridging moves value across networks; swapping changes one asset for another.
Some services combine those actions in one flow. Manta bridge lets people move and swap crypto across blockchains, so it can be a practical next step once the funds are in a wallet you control. The route affects the networks and assets involved, so how to choose a Manta bridge route matters when planning the transfer.
One detail that often surprises exchange users: a withdrawal and a bridge are separate transactions. The withdrawal gets funds from the exchange to your wallet. The bridge then uses that wallet’s funds and may require a network fee, plus a small balance of the network’s own asset for transaction costs.
I would check the destination chain, destination asset, and wallet support before starting that second transaction. If you plan to move ETH to Arbitrum, for example, confirm that your wallet can show and use ETH on Arbitrum. A familiar asset label alone does not prove it is on the network you intended.
- Create a wallet and store its recovery phrase privately.
- Match the exchange withdrawal network to the wallet.
- Send a small test transfer when practical, then confirm it arrives.
- Keep enough crypto for withdrawal and network costs.
- Check the destination before bridging or swapping.
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