Can I buy gift certificates???

Is it possible to buy a gift certificate for the e-shop?? I ask because I have ebgun running minor contests in this forum to check the quality of some work, and I award prizes from the eshop. But some are hesitant to provide mail addresses. With a gift certificate, they could just order their prizes themselves, never fearing the nasty, shady clutches of my… okay, they wouldn’t have to worry :eek: