Blockchain Ledger for Power System Data Integrity
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Solution Overview
Problem
Power system communication networks are vulnerable to cyber attacks, which can alter, add, or remove data, compromising the control of electric power delivery systems.
Innovation Solution
Integration of power system data onto a blockchain using encrypted measurements and smart contracts, ensuring immutable and secure communication by distributing the ledger across multiple devices, making it difficult to perform cyber attacks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If power system data is transmitted through traditional communication networks, then data transmission speed and system operation efficiency are improved, but the system becomes vulnerable to cyber attacks and data manipulation
Solution Approach 1:
The patent segments the centralized data storage system into a distributed ledger network where multiple nodes independently store and verify power system data. Each node maintains a copy of the blockchain, eliminating the single point of failure and preventing centralized cyber attacks while maintaining data transmission efficiency through parallel verification processes.
Solution Approach 2:
The patent introduces blockchain technology as an intermediary layer between power system devices and the communication network. This intermediary uses cryptographic hashing and consensus mechanisms to verify data integrity before transmission, preventing unauthorized manipulation while enabling efficient data exchange through standardized protocols.
2Ease of operation
If traditional centralized data storage is used, then system complexity is reduced and ease of operation is improved, but the system becomes susceptible to cyber attacks and data loss
Solution Approach 1:
The patent divides the centralized storage architecture into multiple distributed nodes that independently maintain ledger copies. This segmentation inherently provides redundancy and security against cyber attacks while maintaining operational simplicity through automated consensus protocols that require minimal human intervention for data verification and storage.
Solution Approach 2:
The blockchain network performs self-verification through consensus mechanisms where nodes automatically validate transactions and maintain data integrity without external intervention. This self-service capability enhances cyber security through cryptographic verification while keeping the system easy to operate as nodes autonomously manage their own security and data validation.
3Reliability
If data is stored on a distributed blockchain ledger, then data integrity and security are improved, but device complexity and implementation difficulty increase
Solution Approach 1:
The patent employs blockchain as an intermediary layer that handles the complexity of distributed consensus and cryptographic verification. Power system devices interact with this intermediary through standardized interfaces, which abstract away the underlying blockchain complexity while ensuring data immutability and security through automated consensus mechanisms.
Solution Approach 2:
The patent uses cryptographic hashing to create immutable copies of power system data on the blockchain ledger. Each data transaction is hashed and stored across multiple nodes, creating redundant copies that guarantee data integrity. This copying mechanism ensures immutability while the standardized hashing algorithms keep implementation complexity manageable through well-established cryptographic protocols.
Data Source
AI summary
Disclosed herein are systems and methods that use blockchain technology to protect power system data. For example, a receiving device may receive a smart contract. The receiving device may obtain the encrypted power system measurements from the smart contract via distributed ledger. The receiving device may decrypt the power system measurements from the smart contract using a private key of the receiving device. The receiving device may display the decrypted power system measurements on a display of the receiving device.