Hash-Based Payment Instrument Verification for Rapid Fraud Blocking
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Solution Overview
Problem
Existing payment verification systems are inefficient and prone to fraud, as they often require multiple steps and cannot reliably authenticate payment instruments in real-time, leading to potential financial risks and delays.
Innovation Solution
A payment instrument verification system (PIVS) generates a unique string of characters (PIVS data) based on a payment instrument and a payor's private key, using hash functions, which is processed against a database to verify authenticity, providing instantaneous validation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple verification steps are performed to validate payment instruments, then reliability of authentication is improved, but processing time increases and productivity decreases
Solution Approach 1:
The system generates and stores verification data (hash values, digital signatures, watermarks) at the time of payment instrument creation, before the actual transaction occurs. This preliminary preparation allows the payee to perform rapid verification without conducting time-consuming validation steps, thus improving processing speed while maintaining authentication reliability through pre-computed verification mechanisms
2Reliability
If traditional verification methods are used to check payment instrument authenticity, then comprehensive validation is achieved, but the system becomes vulnerable to fraud and delays occur
Solution Approach 1:
The system replaces manual verification processes (checking ink, print quality, physical characteristics) with cryptographic mechanisms including hash functions, digital signatures, and embedded watermarks. These computational verification methods provide comprehensive fraud detection capability while executing instantaneously, eliminating the time loss associated with traditional mechanical verification methods
3Reliability
If PIVS data is generated using hash functions and private keys, then security and authenticity verification are improved, but computational complexity increases
Solution Approach 1:
The system extracts and separates the complex cryptographic operations (hash function execution, digital signature generation) into distinct preprocessing steps performed by the payor or system administrator. The payee's verification process then uses only simple comparison operations between received verification data and computed hash values, reducing the computational complexity burden on the verification endpoint while maintaining strong security through the extracted cryptographic primitives
Data Source
AI summary
Described herein are methods and systems for validating financial network traffic to authenticate payment instruments. Such systems and methods may comprise generating, at least in part by a verification engine comprising a hash function, payment instrument verification system (PIVS) data, wherein the hash function outputs a unique string of characters for a payment instrument associated with a payor; detecting, from payment instrument data received from a payee, a subset of information associated with a payment instrument associated with the payee; processing the data received from the payee using at least a PIVS database comprising the PIVS data to determine authenticity of the payment instrument associated with the payee; and blocking a transfer of funds from the payor to the payee upon determining a lack of authenticity of the payment instrument associated with the payee.