Portmone.com uses an industrial standard
To learn more about our safety certificate click on a padlock icon on any secure page of Portmone.com in the right lower corner of your browser.
You will be asked for the number of your card only once to have it registered. During the registration you assign a name to your card — you will later use it for payments. Even if someone finds the name without your permission, they will not be able to use it in Portmone.com or any other stores.