Hello, most people understand e-commerce as online stores, but in fact this concept is much broader: this includes paying for online games, and purchasing software products, and training courses, and tickets to various events. Any business, any service can be provided on the Internet and be e-commerce. In addition, if you look a little deeper, all those services that provide the functioning of the same online stores, games and other things are also e-commerce. As e-commerce develops, so does the number of payment systems. They become faster and safer. This suggests that the number of cash transactions in the world will steadily decrease. By the way, https://payadmit.com/ has information about one of the most suitable payment systems for business.