Identity Verification System for Point-of-Sale Fraud Reduction

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Solution Overview

Problem

Merchants face challenges in verifying customer identity and detecting fraudulent transactions, as well as in distinguishing and prioritizing valuable customers, due to limited information available at points of sale, which increases fraud risk and affects customer experience.

Innovation Solution

A system that registers users with mobile devices and assigns reputation and spend propensity scores based on transaction history, transmitting this information to point-of-sale devices to enhance customer identification, authentication, and personalized service.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If merchants use traditional card-based transactions, then transaction speed is maintained, but fraud risk increases due to limited customer verification information

Engineering Contradiction:
Improvefraud detection capabilityVSAvoidcustomer identity information
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The system performs preliminary actions by collecting and analyzing customer transaction history, device information, and behavioral patterns before the actual transaction occurs. This pre-transaction data gathering and analysis enables merchants to assess customer reliability in advance, resolving the contradiction by providing fraud detection capability without disrupting the transaction speed.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces an intermediary layer between the customer and merchant that provides synthesized customer information (reputation scores, risk assessments, spending patterns) without requiring direct access to sensitive personal data. This intermediary resolves the contradiction by enabling fraud detection while maintaining information security and transaction efficiency.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If merchants collect and analyze customer data, then customer service quality improves, but system complexity increases

Engineering Contradiction:
Improvecustomer service qualityVSAvoiddata collection and analysis system
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system achieves universality by creating a multi-functional platform that simultaneously performs fraud detection, customer reputation assessment, spending pattern analysis, and personalized service recommendations. This single system resolves the contradiction by improving customer service quality across multiple dimensions without requiring separate complex systems for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system implements self-service by automatically collecting data from multiple sources, analyzing customer patterns, and generating actionable insights without requiring manual intervention. This automation resolves the contradiction by enhancing service quality while minimizing the operational complexity burden on merchants.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If merchants prioritize high-value customers, then customer satisfaction increases, but difficulty in identifying valuable customers increases

Engineering Contradiction:
Improvecustomer prioritizationVSAvoidcustomer value assessment
Core Design Contradiction:
Ease of operationVSDifficulty of detecting and measuring

Solution Approach 1:

The system applies parameter changes by transforming raw customer data into standardized metrics such as reputation scores, spending patterns, and risk assessments. These transformed parameters make it easier to identify and prioritize high-value customers, resolving the contradiction by simplifying customer value assessment while improving satisfaction of valuable customers.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system replaces manual customer evaluation with automated data-driven analytics that objectively assess customer value based on transaction history, device information, and behavioral patterns. This substitution resolves the contradiction by making customer value detection easier and more accurate without relying on subjective merchant judgment.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS11127045B2Consumer identity and security at points of sale
Publication Date: 2021.09.21 AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC
  • US11127045B2 patent drawing
  • US11127045B2 patent drawing
  • US11127045B2 patent drawing

AI summary

An identity and security system may register a user associated with a mobile device and a user identity that comprises characteristics of the user. The system may assign a reputation score and a spend propensity score to the user identity. The system may base the reputation score on a plurality of reputation assessments, and the spend propensity score on a history of transactions and non-transactions by the user. The system may also detect the mobile device at a merchant location, and it may transmit at least one of the reputation score and the spend propensity score to a POS device at the merchant location in response to detecting the mobile device at the merchant location.