Mantle bridge transfers: four checks before you send

Before using a mantle bridge, confirm the source network, destination, token and receiving address; those details determine where the funds go and what arrives. A bridge moves assets between blockchains, while a swap also changes one asset for another, so check which action your route requires.

If the route also needs a chain change or token swap, mantle bridge is a service its operator describes as moving and swapping crypto assets across BTC, ETH, BSC, Solana and major layer 2 networks in one flow. Check that the service’s route matches your intended source, destination and asset before proceeding.

Which networks should you check in a Mantle bridge transfer?

Match the source and destination networks to the wallets holding and receiving the funds. A token with the same ticker can exist on several networks, and selecting the wrong network may leave it unavailable in the destination wallet.

Check the receiving address on the destination network, too. Addresses may look similar across networks, but that does not make every asset or destination compatible; compare the full address and confirm the destination wallet can use the asset you expect.

What token and amount should you send?

Confirm the token contract or network version when the route offers similar asset names. Then review the amount shown for the destination: bridge fees, swap rates and network charges can mean it differs from the source amount.

For a first transfer or an unfamiliar route, a small test amount can show whether the destination wallet receives the expected asset. It adds another transaction and fee, so weigh that cost against the value of checking the route before sending more.

How much gas does a Mantle bridge transfer need?

Keep the network’s gas token in the wallet that must sign each transaction. A bridge route can involve an approval as well as the transfer itself, and a swap can add another step; without gas for a required transaction, the process cannot proceed.

Before signing, inspect the requested token approval and transaction summary. Make sure the spender, asset and amount fit the action you chose, and do not approve a request you cannot explain.

• Source network matches the wallet holding the funds.
• Destination network and address match the receiving wallet.
• Token, amount, estimated output and fees match your plan.
• Gas is available for each required transaction.

After signing, use the transaction record to check whether the source transaction completed and whether the destination received the asset. If the balance does not appear, verify the selected network and transaction status before trying the transfer again; a second send could duplicate the first.