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B2BINPAY DeFi
B2BROKERCross-chain transfers
Move funds between blockchain networks directly from your multisig account using cross-chain transfers
A cross-chain transfer moves funds from your account on one network to a recipient on another network, without leaving the B2BINPAY DeFi interface. Transfers are routed through the account queue for multisig approval, the same way as payouts.
You reach the feature from the Apps catalog: open the Cross-chain transfer card on the Apps page.
Availability
Cross-chain transfers are available only when the provider is enabled for your account and the current network has bridgeable assets. When the service is unavailable, the app card is disabled and a tooltip explains why.
Make a cross-chain transfer
Open the form
On the Apps page, click the Cross-chain transfer card.
Choose source and destination
Select the currency to send from your account, the destination network, and the currency to receive on that network. Only assets and network pairs that can be bridged are offered.
Enter the amount and recipient
Enter the amount to send and the recipient address on the destination network.
A quote is fetched automatically and refreshed as you type. It shows the amount that will arrive, the bridge fee, the route, and the estimated delivery time. Each quote has a countdown and refreshes automatically when it expires.
Confirm
Review the confirmation summary — source and destination networks, the next queue Nonce, recipient address, amounts, fee, and route — then confirm.
Confirming does not send funds immediately. It creates an operation in the account queue and assigns it the next nonce.
Collect signatures
Go to the Queue page and open the cross-chain transfer operation. The required number of account signers must sign it before it can run. See Sign transactions.
Execute
Once all required signatures are collected and the operation has the smallest nonce in the queue, execute it to send the transfer on-chain. See Execute transactions.
The bridge fee is paid in the network's native coin and is debited from the account balance in addition to the transfer amount. Make sure the account holds enough of both the currency you send and the native coin to cover the fee.
Track a transfer
After execution, the transfer is delivered across chains by the bridge. Open the operation details to follow its progress through the delivery states — from Awaiting confirmation and Transfer initiated to Cross-chain delivery in progress, and finally Delivered or Delivery failed.
The details view also provides a link to the cross-chain explorer and the destination transaction hash once the funds arrive.
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