Distributed Ledger for Secure Marketplace Transactions
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Solution Overview
Problem
Current marketplaces for virtual goods and services rely on centralized authorities, which are vulnerable to security issues, resource constraints, and susceptibility to attacks, making them unreliable for secure and scalable participation from heterogeneous processors.
Innovation Solution
A secure distributed transaction ledger, such as a blockchain, facilitates marketplace transactions by enabling secure, decentralized communication and payment between computing devices without the need for a centralized intermediary, using cryptographic methods to ensure integrity and trustworthiness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a centralized authority is used to manage marketplace transactions, then transaction coordination and trust establishment are simplified, but security vulnerabilities increase and system reliability decreases due to single points of failure and susceptibility to attacks
Solution Approach 1:
The patent segments the centralized marketplace authority into multiple distributed nodes that collectively perform transaction validation and coordination. Each node maintains a copy of the transaction ledger and can independently verify transactions, eliminating the single point of failure while maintaining coordinated transaction management through consensus mechanisms.
Solution Approach 2:
The patent introduces cryptographic intermediaries (digital signatures, hash functions, and consensus protocols) that mediate between trading parties without requiring a centralized authority. These cryptographic mechanisms establish trust and coordinate transactions securely between distributed participants, replacing the need for a centralized trust anchor.
2Ease of operation
If a centralized marketplace controller is implemented, then transaction management is streamlined, but the system becomes susceptible to resource constraints and attacks on the central authority
Solution Approach 1:
The patent divides the centralized controller's functions across multiple distributed nodes, where each node can independently process and validate transactions. This segmentation maintains operational simplicity through standardized node behavior while improving availability, as the system can continue functioning even if individual nodes fail or are attacked.
Solution Approach 2:
The patent changes the fundamental parameter of system architecture from centralized to distributed, transforming how transaction management is achieved. Instead of relying on a single controller's resources, the system leverages the collective computational power and redundancy of multiple nodes, improving both ease of operation through consistent protocols and reliability through fault tolerance.
3Adaptability or versatility
If heterogeneous processors participate in marketplace transactions, then system versatility and computing resource utilization increase, but coordination complexity and security verification burden increase
Solution Approach 1:
The patent employs cryptographic intermediaries that work uniformly across heterogeneous processors. Digital signatures, hash functions, and consensus protocols serve as universal mediators that verify transactions without requiring knowledge of the underlying processor architecture, enabling diverse computing devices to participate while maintaining coordinated operation through standardized cryptographic verification.
Solution Approach 2:
The patent enables each heterogeneous processor to independently verify transactions using the same cryptographic rules and consensus mechanisms. Nodes autonomously validate transactions and update their local ledgers without requiring complex centralized coordination, reducing overall system complexity while supporting diverse processor types through self-verification capabilities.
Data Source
AI summary
Aspects of the present invention provide systems and methods that solved the problems of how to participate in a marketplace exchange without using a centralized intermediary. In embodiments, a secure distributed transaction ledger may be used as an integration framework that supports communications between parties, the transfer of funds from one party to another party, and the ability to for the provisioning or transfer of deliverables by a seller to a buyer or for the benefit of a buyer. In embodiments, a buyer, a seller, and an escrow entity have defined functions that facilitate transactions and help build in more trust into the marketplace.