Transaction Verification via Visual Authenticity Feature Checking

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Solution Overview

Problem

Existing digital transaction verification methods are prone to man-in-the-middle attacks due to reliance on user verification, which is error-prone and can lead to unintentional approval of faulty transactions.

Innovation Solution

A transaction verification system that utilizes a transaction verification device to capture camera images of a visual presentation, extracting both coded and uncoded data to automatically verify authenticity features, reducing the need for user intervention and enhancing security.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If user verification is used to confirm transactions, then ease of operation is improved, but reliability deteriorates due to user errors and susceptibility to man-in-the-middle attacks

Engineering Contradiction:

Improveease of transaction confirmationVSAvoidtransaction security

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The system performs automatic verification of uncoded data features without requiring user intervention. The verification device autonomously captures images, extracts coded data, obtains verification data, and compares authenticity features, eliminating the need for users to manually verify transaction details while significantly improving security against man-in-the-middle attacks

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical process of user verification with an automated optical and computational system. The verification device uses camera imaging, optical character recognition, and automated data comparison to substitute human verification actions, thereby improving both reliability and security

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If automated verification of uncoded data is implemented, then reliability is improved, but device complexity increases

Engineering Contradiction:

Improvetransaction verification accuracyVSAvoidverification system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The verification device integrates multiple functions into a single system: capturing visual presentations, extracting coded data, obtaining verification data, and automatically verifying uncoded data features. This multi-functional approach improves reliability while managing complexity through consolidation rather than proliferation of separate components

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system introduces an intermediary verification device that acts as a mediator between the transaction system and the user. This intermediary automatically performs verification tasks, improving reliability by removing human error while managing complexity through a dedicated specialized component rather than requiring complex integration across multiple systems

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS12481992B2Authenticating a transaction

Publication Date: 2025.11.25 KONINK KPN NV

AI summary

The invention relates to a transaction verification system for authenticating a transaction performed at a transaction system. The transaction system provides a visual presentation of the transaction, comprising uncoded data and machine-extractable coded data. The transaction system also provides verification data for verifying one or more authenticity features of at least part of the uncoded data. The verification data can be obtained based on the coded data. A transaction verification device obtains, using an image interface, one or more camera images of the visual presentation of the transaction, and these camera images are then used to verify the one or more authenticity features based on the verification data.