Distributed Ledger Secret Key Management via Segmentation
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Solution Overview
Problem
Existing distributed ledger systems face challenges in managing secret keys for organizational wallets in a non-centralized manner, leading to dependency on individual key management.
Innovation Solution
A distributed ledger data management system with a blockchain network that uses encrypted secret keys for organizational wallets, managed through a network of distributed ledger nodes and clients, enabling secure key generation and management without centralization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an organization manages a wallet for a distributed ledger, then the organization can participate in data exchange and digital currency transactions, but the secret key management becomes dependent on a particular individual
Solution Approach 1:
The patent segments the secret key management function by introducing a dedicated key management apparatus that separates key management from individual user control. The secret key is segmented into multiple parts distributed to different authorized individuals, requiring collaborative action to access or use the key, thereby eliminating dependency on a single individual while maintaining organizational participation capability
Solution Approach 2:
The patent introduces a key management apparatus as an intermediary between the organization and the distributed ledger system. This intermediary manages the secret key on behalf of the organization, providing a reliable interface for wallet operations without exposing the key to individual users, thus resolving the contradiction between organizational participation and key management reliability
2Ease of operation
If a centralized apparatus manages secret keys, then key management is simplified, but the system remains centralized and does not solve the dependency problem
Solution Approach 1:
The patent segments the centralized key management function into distributed key shards held by multiple authorized individuals. This segmentation maintains operational simplicity through automated key management protocols while eliminating centralization, as the key management apparatus coordinates these distributed segments without being a centralized authority
Solution Approach 2:
The key management apparatus provides self-service functionality by automatically managing the segmented key parts, handling key generation, distribution, and recovery without requiring centralized coordination. The system serves itself through automated consensus mechanisms and cryptographic protocols, achieving both simplicity and decentralization
Data Source
AI summary
A secret key needed for access to a wallet or data movement is managed in a non-centralized manner. A distributed ledger data management system 10 includes a blockchain distributed ledger system (an asset management distributed ledger 11) which is configured to have a plurality of distributed ledger nodes (asset management distributed ledger nodes 22) and a distributed ledger network (an asset management distributed ledger network 21), and a plurality of utilization group systems which each manage, as a corresponding one of respective clients for a plurality of utilization groups for individuals and organizations participating in the distributed ledger system, a wallet of the utilization group for the individual or the organization. The utilization group system for the organization (a system for a utilization group 13) issues a transaction to the distributed ledger system by using an encrypted secret key of the organization when the wallet of the organization is used.