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January 6, 20268 min readFintech Fraud Detection

Fintech Fraud Detection Dashboards: Recreating Risk Assessment UIs

R
Replay Team
Developer Advocates

TL;DR: Replay revolutionizes Fintech fraud detection dashboard creation by generating working UI code directly from video recordings of desired user flows, enabling rapid prototyping and iteration.

Fintech Fraud Detection Dashboards: Recreating Risk Assessment UIs#

Fraud detection dashboards are the front line in the fight against financial crime. They need to be intuitive, responsive, and packed with real-time data. Building these interfaces from scratch can be time-consuming and expensive, especially when iterating on design and functionality based on user feedback. The challenge lies in rapidly translating complex risk assessment workflows into functional UI code.

Traditional UI development often involves mockups, wireframes, and manual coding, a process prone to misinterpretation and delays. What if you could simply record a video of the desired user interaction with a fraud detection dashboard and have the system automatically generate the code? That's the power of behavior-driven reconstruction.

The Problem: From Concept to Code#

The traditional approach to building fraud detection UIs involves several pain points:

  • Communication Gaps: Translating stakeholder requirements into functional code is often hampered by miscommunication and differing interpretations.
  • Slow Iteration: Changes to the UI require manual code modifications, leading to lengthy development cycles.
  • Lack of Real-World Context: Mockups and wireframes often fail to capture the nuances of real-world user interactions.
  • Data Integration Complexity: Connecting the UI to backend fraud detection systems can be a significant hurdle.

Introducing Behavior-Driven Reconstruction with Replay#

Replay offers a radically different approach. By analyzing video recordings of user interactions, Replay understands the intent behind the actions, not just the visual appearance. This allows it to generate working UI code that accurately reflects the desired user flow. This approach, known as behavior-driven reconstruction, allows developers to quickly prototype and iterate on fraud detection dashboards based on real-world usage scenarios.

Replay provides key features tailored for this use case:

  • Multi-page Generation: Handles complex, multi-step fraud investigation workflows.
  • Supabase Integration: Seamlessly integrates with Supabase for backend data and authentication.
  • Style Injection: Allows for easy customization of the UI to match existing branding.
  • Product Flow Maps: Visualizes the user journey, making it easier to understand and optimize the flow.

Replay vs. Traditional UI Development#

Here's a comparison of Replay with traditional UI development approaches:

FeatureTraditional Approach (e.g., Manual Coding)Screenshot-to-CodeReplay
Input SourceWritten Specifications, MockupsScreenshotsVideo Recordings
Behavior AnalysisManual InterpretationLimited✅ Deep understanding of user intent
Code Generation AccuracyDependent on Developer SkillLowHigh, driven by behavior analysis
Iteration SpeedSlowModerateRapid
Data IntegrationManualManualAutomated via Supabase integration
Multi-Page SupportRequires manual codingLimited✅ Full support for complex workflows

Building a Fraud Detection Dashboard with Replay: A Step-by-Step Guide#

Let's walk through the process of recreating a fraud detection dashboard using Replay. We'll assume you have a video recording of a fraud analyst investigating a suspicious transaction.

Step 1: Prepare Your Video#

Record a clear video of the desired user flow. This should include:

  • Navigating through different sections of the dashboard
  • Filtering transactions based on various criteria
  • Reviewing transaction details
  • Marking transactions as fraudulent or legitimate
  • Generating reports

💡 Pro Tip: Ensure the video is well-lit and the UI elements are clearly visible. Speak clearly about your intentions while recording. This helps Replay better understand the context.

Step 2: Upload to Replay#

Upload the video to the Replay platform. Replay will automatically analyze the video and identify the UI elements and user interactions.

Step 3: Review and Refine#

Review the generated code and make any necessary adjustments. Replay provides a visual editor that allows you to fine-tune the UI and add custom logic.

📝 Note: Replay uses Gemini to interpret the video, and like all AI models, it may not be perfect. Reviewing the generated code is crucial to ensure accuracy.

Step 4: Integrate with Supabase#

Connect your Replay project to your Supabase database. This will allow you to populate the dashboard with real-time transaction data.

Step 5: Customize and Deploy#

Customize the look and feel of the dashboard using Replay's style injection feature. Once you're satisfied, deploy the dashboard to your production environment.

Example: Filtering Transactions#

Let's say your video shows the user filtering transactions by amount. Replay can generate the following code snippet:

typescript
// React component for filtering transactions by amount import React, { useState } from 'react'; interface Props { onFilter: (amount: number) => void; } const AmountFilter: React.FC<Props> = ({ onFilter }) => { const [amount, setAmount] = useState<number | undefined>(undefined); const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => { const value = parseFloat(event.target.value); setAmount(isNaN(value) ? undefined : value); }; const handleSubmit = (event: React.FormEvent) => { event.preventDefault(); if (amount !== undefined) { onFilter(amount); } }; return ( <form onSubmit={handleSubmit}> <label htmlFor="amount">Filter by Amount:</label> <input type="number" id="amount" value={amount === undefined ? '' : amount.toString()} onChange={handleChange} placeholder="Enter amount" /> <button type="submit">Apply Filter</button> </form> ); }; export default AmountFilter;

This code snippet creates a React component that allows the user to enter an amount and filter the transactions accordingly. Replay automatically infers the data type and event handling logic from the video.

Example: Displaying Transaction Details#

Another common task is displaying detailed information about a selected transaction. Replay can generate code similar to this:

typescript
// React component for displaying transaction details import React from 'react'; interface Props { transaction: { id: string; amount: number; date: string; description: string; isFraudulent: boolean; }; } const TransactionDetails: React.FC<Props> = ({ transaction }) => { return ( <div> <h2>Transaction Details</h2> <p><strong>ID:</strong> {transaction.id}</p> <p><strong>Amount:</strong> {transaction.amount}</p> <p><strong>Date:</strong> {transaction.date}</p> <p><strong>Description:</strong> {transaction.description}</p> <p><strong>Fraudulent:</strong> {transaction.isFraudulent ? 'Yes' : 'No'}</p> </div> ); }; export default TransactionDetails;

This component displays the transaction details in a clear and concise format. Replay can automatically map the data fields from your Supabase database to the corresponding UI elements.

Benefits of Using Replay for Fintech Fraud Detection#

Using Replay offers several key benefits:

  • Faster Development: Significantly reduces the time required to build and iterate on fraud detection dashboards.
  • Improved Accuracy: Ensures that the UI accurately reflects the desired user flow.
  • Reduced Costs: Lowers development costs by automating the code generation process.
  • Enhanced Collaboration: Facilitates better communication between stakeholders and developers.
  • Real-World Validation: Allows you to validate the UI with real-world user scenarios.
  • Reduced Risk: By rapidly prototyping and testing, you can mitigate the risk of building a UI that doesn't meet user needs.

⚠️ Warning: While Replay automates much of the UI development process, it's crucial to have experienced developers review and refine the generated code to ensure security and performance.

Security Considerations#

When building fraud detection dashboards, security is paramount. Here are some key considerations:

  • Data Encryption: Encrypt sensitive data both in transit and at rest.
  • Access Control: Implement strict access control policies to prevent unauthorized access.
  • Input Validation: Validate all user inputs to prevent injection attacks.
  • Regular Security Audits: Conduct regular security audits to identify and address vulnerabilities.

Replay itself is designed with security in mind, but it's important to follow best practices when integrating it with your existing systems.

Frequently Asked Questions#

Is Replay free to use?#

Replay offers a free tier with limited features. Paid plans are available for more advanced features and higher usage limits.

How is Replay different from v0.dev?#

Replay analyzes video recordings to understand user behavior and generate code that accurately reflects the desired user flow. v0.dev and similar tools primarily rely on text prompts and screenshots, which often lack the context necessary to generate truly functional UI. Replay's behavior-driven approach results in more accurate and usable code. Furthermore, Replay provides specific features such as multi-page support and Supabase integration that are crucial for building complex applications like fraud detection dashboards.

What types of video recordings work best with Replay?#

Clear, well-lit videos with minimal background noise tend to produce the best results. It's also helpful to speak clearly about your intentions while recording the video.

Can I use Replay to generate code for mobile apps?#

Yes, Replay can be used to generate code for both web and mobile applications.

What frameworks and libraries does Replay support?#

Replay currently supports React, Next.js, and Tailwind CSS. Support for other frameworks and libraries is planned for future releases.


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