The payment you make on Vivastreet is 100% safe as the server on which everything is processed is secured (https).
Furthermore, your card details are encrypted so there is no need to worry, it will stay private and nobody will have access to it.
You can follow all of your transactions as a confirmation email will be sent to you and you can make a request for the invoices.
If you have any further questions, please refer to our Terms and Conditions, under "Prices and Payments".