Similar to the deposit transaction, withdraw may take some time before appearing on your destination wallet. An approved notification of the withdrawal on the exchange does not mean that it has been completely transferred into the new wallet. Hence, you should check your transaction status on the blockchain by using the transaction ID (TxID).
If your transaction shows “unconfirmed” on its blockchain, this is beyond our control. You must wait for the transaction to be processed on the blockchain. Once it is included in the blockchain, it will begin to produce confirmations.
If you have waited for long time, please contact our support team for further information via submitting question to https://sencoinex.zendesk.com/hc/en-us/requests/new