Tokenized Reputation Scores Using Blockchain-Based Transfer Verification

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Solution Overview

Problem

Conventional reputation establishment techniques are inadequate for the online world, leading to inefficiencies, frustration, and adverse outcomes due to the lack of transferable and secure reputation indicators, as they are often centralized and vulnerable to tampering.

Innovation Solution

Utilizing blockchain technology to generate tokenized reputation scores by transferring reputation tokens to user-controlled blockchain accounts based on eligible user activities, enabling secure, decentralized, and universally applicable reputation indicators.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional centralized reputation systems are used, then reputation can be established within a specific platform, but the reputation is not transferable and vulnerable to tampering

Engineering Contradiction:
Improvereputation securityVSAvoidreputation transferability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent introduces blockchain technology as an intermediary layer between users and service provider systems. Reputation tokens are issued on the blockchain and can be verified across multiple platforms, serving as a universal mediator that enables transferable reputation while maintaining security through cryptographic verification. The blockchain acts as a trusted intermediary that decouples reputation portability from platform-specific centralized control.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent segments the reputation system into two independent components: (1) the service provider systems that issue and verify reputation tokens, and (2) the blockchain infrastructure that stores and secures token ownership. This segmentation allows the reputation data to be portable across different service providers while the blockchain provides immutable security, resolving the contradiction between transferability and security.

Inventive Principle:
Principle #1Segmentation

2Reliability

If conventional centralized reputation systems are used, then reputation data can be stored and managed, but the system is vulnerable to tampering and central points of failure

Engineering Contradiction:
Improvereputation integrityVSAvoidsystem architecture
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The blockchain serves as a decentralized intermediary that replaces centralized reputation databases. Instead of relying on single-point-of-failure centralized storage, the reputation token ownership and verification logic are distributed across the blockchain network, eliminating tampering vulnerabilities while maintaining manageable complexity through standardized smart contract interfaces.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the mechanical centralized database storage model with a cryptographic blockchain-based system. Reputation integrity is no longer maintained through centralized administrative controls but through cryptographic hashing, distributed consensus, and immutable ledger technology, fundamentally substituting the underlying mechanism while preserving reliability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If reputation tokens are transferred to blockchain accounts, then user ownership and portability are enhanced, but the system complexity increases

Engineering Contradiction:
Improveuser controlVSAvoidblockchain integration
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent implements self-service through automated smart contracts that handle reputation token issuance, transfer, and verification. Users gain direct control of their reputation tokens through blockchain wallets without requiring manual intervention from service providers. The smart contracts automatically enforce reputation verification rules, reducing operational complexity despite the underlying blockchain infrastructure.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent creates a universal reputation token standard that can be issued and verified across multiple different service provider systems. This multi-functionality allows the same reputation token to be recognized by various platforms, reducing the need for separate integration implementations and lowering overall system complexity through standardized interfaces.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS12488366B2Generating a tokenized reputation score
Publication Date: 2025.12.02 EBAY INC
  • US12488366B2 patent drawing
  • US12488366B2 patent drawing
  • US12488366B2 patent drawing

AI summary

Systems and methods for generating tokenized reputation scores are described. In one example, a service provider system receives data describing user activity associated with a service provider account and determines that the user activity is eligible for a reputation reward of reputation tokens. The service provider system initiates a calculation of the reputation reward based on the data describing the user activity. Further, the service provider system verifies a transfer of reputation tokens to a blockchain account address associated with the service provider account, where the reputation tokens are based on the reputation reward calculated. The service provider system generates a reputation score based on an amount of reputation tokens associated with the blockchain account address and generates an indication of the reputation score. The indication of the reputation score is displayed in relation to a representation of the service provider account.