CUSTOMER STORYTELLING — JOURNEY → DECK → INTERACTIVE DEMO → HANDOFF

A customer-ready story for safer UPI payments—risk signals teams can demo and ship

Translated fraud + payment constraints into a clear journey narrative, interactive prototype, and deck-ready system—built to explain risk decisions fast, reduce errors, and scale with reusable patterns and consistent language.

Metrics: 10 key screens • 12 components • 1 journey map • 3 story iterations • 6 feedback loops

ROLE

Experience Design (UX)

EXPERTISE

Journey • Content system • Prototype • Handoff

YEAR

2024

Project description

Project description

Project description

UPI Shield is a trust-first safety layer for UPI payments—built to help users verify intent, understand risk, and recover safely without slowing down everyday transactions. Instead of fear-based warnings, it uses clarity-first risk cues, safer defaults, and one-tap recovery actions (cancel / hold / report / block) so decisions stay fast, confident, and explainable.

The work is designed for both demo and delivery: risk + business requirements → threat scenarios → decision flow → interactive prototype → reusable warning components + edge states → handoff-ready specs. Everything is packaged as a customer-ready story that teams can present consistently and engineers can implement reliably.

Timeline

3–5 weeks — Requirements/Threat scenarios → Decision flow → Hi-fi → Interactive demo → Validation loops → Handoff

Shipped: warning component kit + variants, risk states (empty/loading/error/recovery), and dev-ready specs for consistent rollout.

Why this matters

UPI fraud often happens in seconds—users act under pressure (calls, urgency, fake “refunds”). A good solution must reduce cognitive load, explain risk in plain language, and make the safest next action the easiest—while providing recovery when mistakes happen.

UPI Shield turns a high-stakes moment into a clear decision path that’s easy to demo to stakeholders and consistent to implement in production.

Deliverables

Decision flow • Risk-cues system • Interactive prototype • Storyboard • Reusable warning templates • Handoff specs

Process

Process

Process

End-to-end, trust-first experience design—aligned early with stakeholders, built around decision moments, and packaged as demo-ready storytelling assets + ship-ready specs.

1) Cross-functional + constraints

Partnered with PM + Engineering to translate fraud risk + trust constraints into a clear decision system (moments, logic, and edge cases).
Aligned on feasibility early so what we demo matches what we can ship.

2) Templates/flows/diagrams

Used reusable templates to map risk moments, decision flows, and state behavior—making the “before → after” story easy to understand and reducing rework in build + review.

3) Fast iteration

Iterated rapidly from flows → wireframes → hi-fi → interactive prototype.
Used feedback loops to refine warning clarity, hierarchy, and the safest next action at every step.

Research & Insights

Identified high-risk moments where users act under pressure: “refund” scams, fake support calls, urgency scripts, screen-share manipulation, misleading merchant names.

  • Synthesized into 3 JTBD:

    1. “Verify intent before I pay.”

    2. “Understand risk in one glance.”

    3. “Recover quickly if I made a mistake.”

  • Defined success metrics: decision clarity, time-to-confirm, error avoidance, perceived control.

UX flows & information architecture

Designed around decision moments (not screens):

  • Intent check (pay vs request vs collect)

  • Risk check (context + patterns + merchant/payee signals)

  • Confirm (amount/payee clarity + safer defaults)

  • Recovery (hold/cancel/report/block + next steps)

Prototyping & iteration

Ran rapid iterations on:

  • Warning hierarchy (what shows first, what’s expandable, what’s the primary action)

  • Microcopy rules (plain language, “why risky” in one line, no panic tone)

  • Confirm clarity (receiver + amount prominence, friction only when needed)

  • Edge states (mismatch, unverified payee, network delay, false positives)

Handoff-ready specs

Delivered a reusable warning + state system:

  • Variants by risk severity + scenario

  • Empty/loading/error/recovery states

  • Dev-ready interaction notes + component specs—so implementation stays consistent, testable, and scalable

Deliverables

Decision flow • Risk signals system • Interactive prototype • Storyboard/deck-ready narrative • Component + state library

Solution

Solution

Solution

UPI Shield delivers calm, fast payments by making risk understandable before confirm—and making recovery effortless after mistakes. Built as a customer-ready story: clear signals, safer defaults, and one-tap next steps—easy to demo and consistent to ship.

1) Reusable system contribution

Built a scalable risk + warning system (severity levels, context rules, layout patterns, and state behavior) so experiences stay consistent across flows and adapt as fraud patterns evolve.

2) Demo-ready prototyping + spec handoff

Delivered interactive prototypes and clean handoff specs (states, variants, redlines, empty/loading/error/recovery) and partnered with Engineering for implementation + QA—ensuring what we present matches what ships.

Clarity-first confirmation

Redesigned the confirm step to surface who, what, and why upfront—receiver identity + amount + context—with clear hierarchy.

Impact → fewer “wrong person” mistakes • faster, more confident confirms

Safer defaults in high-risk moments

When risk increases, defaults shift to safer actions (review details, verify payee, use alternate method, delay payment) with minimal extra effort.

Impact → reduced impulsive confirmations under pressure

Risk cues that don’t panic users

Introduced Low / Medium / High risk badges backed by one-line reasons (unusual amount, new payee, mismatch, suspicious request pattern) in plain language.

Impact → better decisions without fear-based UX

One-tap recovery & reporting

If something feels wrong, users can Hold / Cancel / Report / Block with clear next-step guidance (what happens next, support options, timeline).

Impact → faster recovery • reduced helplessness after mistakes

Results

Results

Results

Outcomes from UPI Shield’s end-to-end experience design—built to reduce payment anxiety, prevent high-cost errors, and enable calm, fast recovery. Packaged as a customer-ready trust story that’s easy to present and consistent to ship.

Reduced fraud-prone mistakes

Clear intent cues + a stronger confirmation hierarchy reduced “request vs pay” confusion and wrong-recipient sends—especially under pressure.
Impact → fewer wrong actions • higher perceived control • safer decisions before confirm

Faster, more confident confirmations

Plain-language risk reasons helped users understand “why risky” in seconds—without overthinking or panic.
Impact → less hesitation • fewer “what now?” moments • quicker confident confirms

Stronger recovery when users slip up

One-tap Hold / Cancel / Report / Block flows reduced panic and provided immediate next steps with clear outcomes.
Impact → faster recovery • fewer dead-ends • higher confidence after mistakes

Scalable foundation for shipping

Reusable warning components + state-driven patterns kept behavior consistent across scenarios and simplified rollout.
Impact → cleaner specs • faster iteration loops • easier expansion (new risk rules, new payment contexts)

Learning

In high-stakes finance UX, trust isn’t “more warnings”—it’s clear intent, explainable risk, and graceful recovery.

TL;DR

I turned UPI fraud prevention into a customer-ready trust system—clear intent checks, explainable risk signals, and one-tap recovery—delivered as a demoable prototype with ship-ready specs.

Open to UX/Product Design Internships

© 2025 Prakhar Dewangan

Open to UX/Product Design Internships

© 2025 Prakhar Dewangan

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