InstaPay is the most challenging and innovative fintech venture that shares open banking with Korea Financial Settlement Service (KTFC) and services with 20 banks. Service upgrade: 1.4th generation platform bookstore where you can purchase books anytime, anywhere by scanning the ISBN barcode 2. Donation platform to design and raise political support funds, donations, etc. 3.MBPP platform (92020) for easy payment of bills and bills such as electricity rates InstaPay provides a secure service th