In order to withdraw your cryptocurrency from CEX.IO to another wallet:
Open the Finance page and click the Withdrawal button next to the currency you want to withdraw.
Enter the amount to withdraw
Fill in your destination wallet address.
Double-check that all information is correct and confirm it by putting a checkmark.
Then, click the Withdraw button and enter the 2fa code.
You will receive a confirmation email. Follow the link in the email to confirm your transaction. The confirmation link will expire in 30 minutes.
Your transaction will be sent to the blockchain. When it is confirmed in the blockchain, funds will be credited to your destination wallet.