Withdrawing digital currencies incurs on-chain fees, which vary depending on the protocol used. For example, currently withdrawing USDT via the TRC20 protocol charges an on-chain fee of 1 USDT per transaction; withdrawing USDT via the ERC20 protocol charges an on-chain fee of 10 USDT per transaction. You can check the on-chain fees for other digital currencies in the app or on the web version. These fees may fluctuate depending on network congestion.
How to check digital currency withdrawal fees on the App:
When you select different networks on the withdrawal page, the corresponding on-chain fees will be displayed.

How to withdraw digital currencies on the Web:
When you select different networks on the withdrawal page, the corresponding on-chain fees will be displayed.

Transferring digital currencies between BiyaPay wallets via registered email does not incur any fees.