The various types of paying for items are a pressing concern in today's world. Many individuals predict that customers have to purchase goods with their credit cards or smart devices instead of using cash in the near year. Therefore, this essay will examine the possibilities of this phenomenon and why few people prefer to use real money. Indubitably, there are several reasons why the trend of paying methods will become a reality. Foremost, it is able to give comfy lifestyles due to its convenience and safe characteristics. In fact, cash can easily steal by criminals and there are no limits to spending. Therefore, since the one's signature and name on one's card exist, paying by another is impossible. Furthermore, another password in smartphones is available, unknown people cannot utilize them or even open the devices. In addition, it is able to prevent its imitation which causes inflation or other economic problems. As a result, the more security is developed the more users will u...