Dynamic Card Verification Codes for Fraud-Resistant Payments

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing payment instruments rely on static verification values (CVVs) that are immutable, making them susceptible to fraudulent use until replacement, leading to inefficient processing of fraudulent transactions.

Innovation Solution

Implementing a framework to generate dynamic verification values using a secret code and hashing algorithm, requiring wireless communication for enrollment, and generating time-limited verification values to enhance security.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If static verification values are used for payment instruments, then the verification process is simple and fast, but the security against fraudulent use is weak

Engineering Contradiction:

Improvesecurity against fraudulent useVSAvoidverification system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by transitioning from static verification values to dynamic verification values that change over time. The verification value is regenerated for each transaction based on current time and random factors, making it impossible to reuse. This dynamic approach resolves the contradiction by enhancing security through temporal variability while maintaining the simplicity of the verification process structure.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent changes the parameter of verification value from static to dynamic by incorporating time-based and random-based generation. The verification value is no longer fixed but varies with each transaction based on current time intervals and random numbers. This parameter change strengthens security against fraud while the system maintains efficient verification through standardized generation algorithms.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If dynamic verification values are generated for each transaction, then the security against fraudulent use is enhanced, but the processing time and computational resources increase

Engineering Contradiction:

Improvesecurity against fraudulent useVSAvoidverification processing time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary action by pre-establishing the verification value generation logic and algorithms before actual transactions occur. The server is pre-configured with the dynamic verification mechanism, allowing rapid generation during transactions without requiring complex real-time computations. This preliminary setup reduces processing time while maintaining security.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent optimizes parameter changes by using efficient time-based and random-based generation algorithms that are computationally lightweight. The verification value changes dynamically but through simple operations (time stamping and random number generation) rather than complex cryptographic computations. This approach enhances security while minimizing processing time and computational resource consumption.

Inventive Principle:

Principle #35Parameter changes

3Object-affected harmful factors

If verification values are made time-limited, then the window for fraudulent transactions is reduced, but the frequency of value regeneration increases system activity

Engineering Contradiction:

Improvetime window for fraudulent transactionsVSAvoidsystem processing throughput

Core Design Contradiction:

Object-affected harmful factorsVSProductivity

Solution Approach 1:

The patent applies periodic action by implementing time-limited verification values that are automatically regenerated after a predetermined time interval. This periodic regeneration creates a moving time window that limits fraudulent use while maintaining consistent system operation. The periodic nature allows for predictable processing patterns that do not significantly impact system throughput.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The system changes the parameter of verification value validity from indefinite to time-limited. The verification value is automatically invalidated after a predetermined time interval, creating a dynamic time window. This parameter change reduces the window for fraudulent transactions while the automated regeneration process maintains high system processing throughput through efficient time-based operations.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS20250371539A1Systems and methods for dynamic generation of security codes for instrument utilizations

Publication Date: 2025.12.04 SYNCHRONY BANK

AI summary

Systems and methods provide a framework through which dynamic verification values are generated for different instruments for use in real-time instrument utilizations. In response to an authorization request associated with an instrument and including a dynamic verification value, a system obtains a secret code associated with the instrument. The system dynamically generates a reference dynamic verification value using record data associated with the instrument, the secret code, and a current time interval. The reference dynamic verification value is compared to the received dynamic verification value to determine if these values match. If so, the system fulfills the authorization request.