Gift cards
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Gift cards, also known as "gift coupons" or "gift certificates" are a mechanism that allows you to sell tokens that
can later be used to pay for tickets.

Gift cards are very different feature than **vouchers**. The difference is:

* Vouchers can be used to give a discount. When a voucher is used, the price of a ticket is reduced by the configured
  discount and sold at a lower price. They therefore reduce both revenue as well as taxes. Vouchers (in pretix) are
  always specific to a certain product in an order. Vouchers are usually not sold but given out as part of a
  marketing campaign or to specific groups of people.

* Gift cards are not a discount. If you buy a €20 ticket with a €10 gift card, it is still a €20 ticket and