The payment possibility we are using is paypal. This is  secure way of paying on internet. By using paypal you have the chanse to pay through paypal or use some kind of creditcards like Visa, Mastercard, American express and so on.Also if you win a prize on the competition we will use paypal for sending your prize. So you will need a paypal account.
When you have paid there is no regrettime on the payment. We do not have the possibility because of the system to check up on who has paid and not sent a result. So make sure that you have the chanse to enter and send in a result before you do any payment.