Types of Ewallets and Their Issues & Challenges in 2022 In contrast to the traditional cash/card payment methods, E-wallet is built on encrypted software technology instead of an analog wallet. It provides a secure environment for the users to store ‘n’ numbers of debit/credit cards and bank accounts, mitigating the need to fill up payment details on every monetary transaction. Most of the customer-facing E-wallet services operate through smartphone apps. It requires users to register within the apps and create an E-wallet profile that grants them access to make instant payments.