Likecoin is a platform for users to receive daily deals coupons, for merchants to create and launch promo-campaigns.
On the users side user receives the coupon on special offer with QR-code or promocode.
To activate the special offer the user has to show QR-code, the merchant with merchant App "Likecoin Кассир" scans QR-code and receive the answer from system whether the coupon is active or not.