When you select a chip package to purchase, you will be prompted to enter your location information in a popup that looks like this:
After entering your location, you'll select "Pay by Card":
When your purchase is successful, you will also receive both an email confirmation from Paddle and a site notification telling you that your chips were deposited.
Please note that you may only make five purchases per hour.
If you have any questions about purchases made with Paddle, you can either reply to them via your receipt, or contact them here: https://paddle.com/support/contact/