EV Charging Station Privacy Protection via Blockchain Data Deletion
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Solution Overview
Problem
Current vehicle charging systems lack secure and efficient methods for handling personal information related to vehicles and their occupants, particularly in terms of authorization and data privacy, which can lead to potential misuse of sensitive information.
Innovation Solution
A method and system where a charging station determines if a vehicle requests approval for charging, accesses and analyzes personal information, grants approval based on analysis, and deletes the information after the charge is completed, utilizing blockchain technology for secure and decentralized data management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the charging station accesses and stores personal information for authorization, then the authorization reliability is improved, but the data privacy security deteriorates
Solution Approach 1:
The system performs preliminary analysis of personal information to generate an authorization decision before the charging operation commences. The charging station analyzes the personal information, makes an authorization determination, and only then proceeds with the charging process, ensuring that data is processed minimally and temporarily.
Solution Approach 2:
The personal information is deleted immediately after the authorization decision is made and the charging operation is completed. The system retains the data only for the brief period necessary to make the authorization decision, then permanently deletes it to prevent any potential misuse while maintaining authorization reliability.
2Ease of operation
If the charging station retains personal information for future reference, then the ease of operation is improved, but the loss of information security increases
Solution Approach 1:
The system implements automated analysis and authorization decision-making through the charging station's processor, eliminating the need for manual review or retention of personal information. The automated system processes the data, makes the authorization decision, and deletes the data without human intervention, maintaining operational convenience while enhancing security.
3Measurement precision
If the charging station analyzes personal information in detail, then the authorization precision is improved, but the processing time increases
Solution Approach 1:
The system extracts only the specific personal information elements necessary for authorization decisions, analyzing only those critical data points rather than performing comprehensive analysis of all available information. This selective extraction approach maintains authorization precision while minimizing processing time.
Data Source
AI summary
An example operation includes one or more of: determining, by a charging station, that a vehicle requests approval to receive a charge; accessing, by the charging station, personal information related to the vehicle and related to an occupant of the vehicle; analyzing, by the charging station, the personal information related to the vehicle and related to the occupant of the vehicle; determining, by the charging station, to grant the approval, based on the analyzing; and, responsive to the approval being granted, deleting, by the charging station, the accessed personal information related to the vehicle and related to the occupant of the vehicle, after the vehicle has received the charge.