Tokenized Reputation Security Deposits for Transaction Access Control
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Solution Overview
Problem
Conventional techniques for controlling access to online transactions fail to account for user reputability, leading to adverse outcomes such as nonpaying bidder accounts that waste time and resources, and do not adequately disincentivize disreputable participants, resulting in inefficiency, inaccuracy, discrimination, and minimal security.
Innovation Solution
Implementing transaction access control using security deposits based on tokenized reputation scores, where service provider accounts provide a specified amount of reputation tokens as a security deposit, which is returned or withheld based on the completion of transactions, leveraging a blockchain for enhanced security and decentralization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional techniques for controlling access to online transactions are used, then open access is provided to all users, but disreputable users can participate and cause adverse outcomes such as nonpaying bidder accounts
Solution Approach 1:
The system requires users to post a security deposit before participating in transactions. This preliminary action ensures that disreputable users are financially incentivized to complete transactions successfully, as they would lose their deposit otherwise. The security deposit is held in escrow and returned only upon successful transaction completion.
Solution Approach 2:
The patent introduces a security deposit mechanism as an intermediary between the buyer and seller. The deposit acts as a mediator that ensures transaction completion - it is posted by the buyer, held in escrow, and either returned to the buyer or transferred to the seller based on transaction success, thereby guaranteeing reliable outcomes.
2Reliability
If security deposits are required for all transactions, then transaction reliability improves, but transaction friction and costs increase
Solution Approach 1:
The system applies different security deposit requirements to different users based on their reputations. Established users with positive transaction histories are exempt from posting security deposits or receive reduced deposit requirements, while new or unknown users must post full deposits. This local differentiation reduces friction for reputable users while maintaining reliability for unknown users.
Solution Approach 2:
The security deposit amount is not fixed but varies based on user reputation parameters. The system dynamically adjusts the deposit requirement according to the user's transaction history, feedback ratings, and established credibility. This parameter change allows the system to maintain high reliability while reducing unnecessary friction for trustworthy users.
3Device complexity
If centralized reputation systems are used, then reputation management is simplified, but security and user control are reduced
Solution Approach 1:
The reputation system is segmented into decentralized components distributed across the blockchain network. Instead of a single centralized authority controlling reputation data, the system uses distributed ledger technology where reputation information is stored and verified across multiple nodes. This segmentation enhances security while maintaining manageable complexity through automated smart contracts.
Solution Approach 2:
The system implements self-service reputation management through automated smart contracts that objectively evaluate transaction outcomes and automatically update user reputations based on verified data. Users do not need to manually manage their reputation; the system automatically rewards successful transactions and penalizes failures, reducing management complexity while enhancing security through cryptographic verification.
Data Source
AI summary
Techniques are described, as implemented by computing devices, to control access to transactions through use of security deposits based on tokenized reputation scores. This is performed by leveraging a blockchain such that tokenized reputation scores are generated based on amounts of cryptographic reputation tokens associated with blockchain account addresses associated with service provider accounts. Access to transactional functionality is controlled for a service provider account by using an amount of cryptographic reputation tokens as a security deposit, where the security deposit is calculated based on a tokenized reputation score of the service provider account. Further, return of a security deposit is controlled for a service provider account based on a determination of a successful or unsuccessful completion of a transaction.