Building a digital wallet app can be a challenging task, but it can also be very rewarding. If you want to create a digital wallet app from scratch, you will need to follow a few key steps. The first step is to create a concept for your app. Once you have a concept in mind, you will need to develop a plan for how you will build it. This plan should include everything from the features you want to include to the technology you will use to build the app.