Banking and insurance services; Issuance of mobile coupon for cutting price in financial field; Electronic processing of credit card transactions via a global computer network; Electronic processing of electronic payments via a global computer network; Mobile and internet payment services; Brokerage of mobile and internet payment; Integrated services of mobile electronic wallet and mobile payment; Mobile internet payment services; Brokerage of mobile payment; Issuance of mobile discount coupon; Mobile banking; Payment services provided via wireless telecommunications apparatus and devices; Credit card and payment card service; Brokerage and payment services of points and mileages to be rewarded in financial field; Representative merchant services, namely, services that mediate and settle with card companies, banks, gift certificate issuers, electronic money issuers on behalf of merchants in financial field