By Third Rock Techkno

More than 70% of Gen Z users prefer fintech apps over traditional banking. If you're building a digital wallet, you're not just creating a payments app; you're building the next-gen finance layer.

This 2025 guide walks you through:

• Key wallet features
• Tech stack & backend flow
• Monetization strategies
• Real-world architecture
• Bonus: Simple code snippets + FAQs for developers

What is a Digital Wallet?

A digital wallet (or e-wallet) securely stores users’ financial information and enables fast transactions from online payments and P2P transfers to QR-based in-store purchases.

Popular examples: Apple Pay, Google Pay, Venmo, Paytm, Cash App.

Must-Have Features in a Digital Wallet App

User-Side (Frontend):

• Sign up / onboarding
• Identity verification (KYC/AML)