Global Digital Gift card Market Size, Trends & Growth Opportunity, By Card Type (Open loop gift card, and Closed loop gift card), By Business Type (Business to Business, and Business to Consumer), By Application (Food & Beverage, Health, Wellness, and Beauty, Apparel, Foot Wear and Accessories, Books and Media Products, Consumer Electronics, Restaurants & Bars, Kids Products, and Others), By End User, By Region and Forecast till 2030