Blockchain Smart Voucher Validation for Traceable Aid Distribution
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Solution Overview
Problem
Existing voucher systems face challenges in tracing, verifying, and monitoring aid distribution to disadvantaged groups, with issues of fraud, waste, and corruption, and lack of competition in service provision.
Innovation Solution
A blockchain-based voucher system that records purchase requests, validates eligibility, and unbinds rules to facilitate transactions, using cryptocurrency with predefined rules and digital contracts to ensure secure and transparent use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional voucher systems are used to distribute aid to disadvantaged groups, then aid distribution can be implemented, but the system suffers from fraud, waste, corruption, and lack of traceability
Solution Approach 1:
The patent introduces a blockchain-based intermediary system that acts as a neutral mediator between voucher issuers and beneficiaries. This blockchain network records and verifies all voucher transactions immutably, preventing fraud and corruption while maintaining the original aid distribution function. The smart contracts serve as automated intermediaries that enforce voucher rules without human intervention, eliminating opportunities for malicious actions.
Solution Approach 2:
The patent replaces traditional mechanical voucher systems (physical coupons, manual verification processes) with a digital blockchain-based system. This substitution enables automated verification through smart contracts, real-time tracking of voucher usage, and cryptographic security measures that prevent fraud and waste while improving overall system reliability.
2Ease of operation
If voucher systems allow flexibility in usage, then ease of operation improves, but traceability and monitoring become more difficult
Solution Approach 1:
The blockchain system provides real-time feedback on all voucher transactions. Each voucher issuance, transfer, and redemption is automatically recorded on the blockchain, creating an immutable audit trail. This feedback mechanism enables continuous monitoring of voucher usage while maintaining operational flexibility, as all actions are transparently tracked without restricting legitimate uses.
3Reliability
If blockchain technology is implemented to improve traceability and prevent fraud, then reliability improves, but device complexity increases
Solution Approach 1:
The blockchain network serves multiple functions simultaneously: it acts as a ledger for voucher issuance, a verification system for eligibility, a tracking mechanism for transaction monitoring, and a security layer against fraud. By consolidating these functions into a single universal platform, the patent improves reliability without proportionally increasing complexity, as the blockchain infrastructure performs all these roles in one integrated system.
Data Source
AI summary
A computer-implemented blockchain based voucher method and system, the method including: recording in a blockchain network, with a user computing device of a user with at least one blockchain based voucher, a purchase request that identifies a proposed purchase with an authorized provider, a purchase amount and the voucher, wherein the voucher comprises a sum of cryptocurrency bound by a set of rules earmarking the voucher to be usable only in transactions between the user and any of a set of one or more authorized providers of goods or services, and wherein the purchase amount is a value that is less than or equal to the total value of the voucher; validating, by the blockchain network, eligibility of the purchase request, based on the set of rules binding the voucher; unbinding the set of rules from the purchase amount of the voucher when the proposed purchase is completed.