BigONE process every deposit and withdraw automatically, so the confirmation time depends on the network status.
For BTC, it usually takes minutes to hours to confirm a transaction. For erc20 tokens, it takes minutes to confirm a transaction.
You can observe your deposit in User Center, the "trolley" icon means confirming by the network, the "check" means deposit successfully. And you can click on the "hyperlink" icon to view the blockchain info.
Feel free to create a ticket if you still have any problem, our agents will be glad to assist you.