Fintech, Digital Wallet & Neobank App
Secure peer-to-peer payments, digital wallet balance, virtual cards, and automated KYC.
Build financial trust with enterprise-grade security. Offer instant money transfers, QR code merchant payments, savings goals, automated KYC onboarding, and complete audit-trailed statements.
Who is the audience?
- Retail Account Holders: Everyday consumers transferring money, scanning merchant UPI QRs, and budgeting monthly expenses.
- Freelancers & Micro-Merchants: Small vendors receiving customer payments with audio payment soundbox notifications.
- Compliance & Risk Officers: Officers verifying Aadhaar / PAN KYC documents, tracking AML flags, and monitoring high-value velocity.
Screens involved
- Wallet Dashboard & Balance: Secure home screen with hidden balance toggle, quick actions, and recent activity. (Elements: Biometric / MPIN protected balance viewer, Action shortcuts: Send Money, Request, Scan QR, Add Cash, Recent transactions feed with merchant logos, Monthly spending breakdown widget)
- Scan & Pay QR Scanner: Instant QR code camera reader with flashlight and gallery import options. (Elements: High-speed BharatQR / UPI QR code scanner viewport, Manual phone number or UPI ID entry fallback, Amount input with dynamic balance sufficiency indicator, Remark note field with category tagging)
- Transaction Receipt & Split Bill: Certified transaction proof with shareable receipt and bill-splitting. (Elements: Bank reference number (UTR) and transaction status stamp, Download official PDF statement receipt, Split this expense with contacts button, One-tap report issue / fraud button)
- Identity KYC Verification: Step-by-step regulatory identity submission with instant verification. (Elements: Aadhaar OTP verification integration, PAN number format check & NSDL validator, Liveness selfie detection screen, Instant compliance verification badge)
User journey flow
flowchart TD
A["User Opens App & Authenticates with Biometrics"] --> B["Scans Merchant QR or Enters Phone"]
B --> C["Enters Amount & Selects Funding Source"]
C --> D["Enters 6-Digit Secure MPIN"]
D --> E["Core Banking Ledger Atomic Transfer"]
E --> F["Instant Success Screen & Audio Sound Box Alert"]
F --> G["Ledger Updated & Real-time SMS Sent"]
G --> H["Categorized into Monthly Expense Budget"]System architecture
flowchart LR
App["Fintech Mobile App"] --> HSM["Security Gateway & HSM"]
HSM --> Ledger["Double-Entry Accounting Ledger"]
HSM --> KycSvc["UIDAI & NSDL KYC Verification"]
Ledger --> BankCore["Banking Switch / NPCI UPI Rail"]
Ledger --> DB[("Encrypted PostgreSQL Ledger DB")]
HSM --> Fraud["Real-Time Fraud & AML Rule Engine"]Key features
- Strict double-entry bookkeeping ledger ensuring mathematical balance consistency
- Biometric authentication (FaceID, Fingerprint) plus encrypted 6-digit MPIN
- Automated Aadhaar / PAN instant OCR and verification pipeline
- Real-time transaction categorisation (Groceries, Travel, Utilities, Bills)
- Instant merchant notification chime and webhooks
Admin capabilities
- Comprehensive audit trail with immutable transaction timestamps
- Automated suspicious transaction monitoring (AML / velocity triggers)
- Customer tier configuration with daily transfer limits
- One-click balance sheet reconciliation and regulatory reporting