Biometric RFID Authentication for Private Financial Transactions

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Solution Overview

Problem

Existing user authentication systems lack robust security measures to ensure the privacy and integrity of financial transactions while verifying the identity of authorized individuals, particularly in scenarios involving negotiable instruments.

Innovation Solution

A secure financial transaction and electronic identification system comprising a housing structure and a control circuit with integrated biometric and RFID technologies, which securely stores and transmits information about negotiable instruments, ensuring identity verification and transaction privacy through interaction security protocols.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional authentication systems are used, then ease of operation is maintained, but security and privacy protection are insufficient

Engineering Contradiction:

ImprovesecurityVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple authentication modalities (biometric sensors, RFID readers, PIN entry) and security functions (encryption, authentication protocols, transaction verification) into a single integrated device. This merging approach enhances security reliability while consolidating complexity into one unit rather than requiring multiple separate systems.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The authentication device performs multiple functions including biometric verification, RFID card reading, PIN entry, encryption/decryption, transaction authentication, and communication with multiple systems. This multi-functionality allows a single device to provide comprehensive security solutions across different authentication scenarios, improving reliability without proportionally increasing operational complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If biometric and RFID technologies are integrated, then authentication accuracy is improved, but device complexity increases

Engineering Contradiction:

Improveauthentication accuracyVSAvoiddevice complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent integrates biometric sensors (fingerprint, facial recognition), RFID readers, and control circuits into a single unified authentication device. This consolidation improves authentication accuracy by combining multiple verification methods while managing device complexity through integrated architecture rather than separate distributed systems.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The control circuit acts as an intermediary that coordinates between biometric sensors, RFID readers, encryption modules, and communication interfaces. This intermediary component manages the complexity of integrating multiple technologies by providing a centralized control layer that orchestrates authentication processes without requiring direct integration between all components.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Reliability

If security protocols are implemented, then transaction integrity is protected, but processing time increases

Engineering Contradiction:

Improvetransaction integrityVSAvoidprocessing time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The device performs authentication and encryption operations in advance before transactions are completed. Biometric data is captured and verified, RFID cards are authenticated, and cryptographic keys are prepared beforehand, allowing transactions to proceed with pre-validated security measures rather than adding delays during the actual transaction process.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The authentication device autonomously performs security protocols including biometric verification, RFID authentication, encryption/decryption, and transaction validation without requiring manual intervention or external verification. This self-service capability maintains transaction integrity through automated security measures while minimizing processing time by eliminating human review steps.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS12481995B1Secure financial transaction and electronic identification system

Publication Date: 2025.11.25 HARPER MARVIN WILLIAM

AI summary

The secure financial transaction and electronic identification system is a security architecture. The secure financial transaction and electronic identification system is configured for use in a transaction. The secure financial transaction and electronic identification system provides interaction security protocols and identification validation protocols that: a) enable the completion of a transaction; while, b) maintaining the privacy of the parties to the transaction. The secure financial transaction and electronic identification system identifies that an authorized individual is using the secure financial transaction and electronic identification system. The secure financial transaction and electronic identification system securely stores information regarding one or more negotiable instruments accessible to the authorized individual. The secure financial transaction and electronic identification system securely transmits information regarding a selected negotiable instrument to a party who is participating in a transaction with the authorized individual.