Abstract
We present a suitable approach to address the electric vehicle charging roaming problem (e-roaming). Blockchain technologies are applied to support the identity management process of users charging their vehicles and to record energy transactions securely. At the same time, off-chain cloud-based storage is used to record the transaction details. A user wallet settled on a mobile application stores user verified credentials; a backend application in the vehicle charging station validates the user credentials to authorize the energy transaction. The current model can be applied to similar contexts where the user may be required to keep several credentials from different providers to authenticate digital transactions.
Highlights
One of the significant challenges related to Electric Vehicle (EV) market penetration is the charging process
We find that the term roaming refers to an EV driver’s possibility of charging in different charging stations belonging to varying operators in different cities or countries
BC enables self-sovereign identity management (SSIM), which is inherently unalterable and more secure than traditional identity systems, allowing users to [16]:. Control their identities; Access and update information; Handle privacy issues; Transport the identity among different systems and organizations; Selectively disclosure information controlled by the holder
Summary
One of the significant challenges related to Electric Vehicle (EV) market penetration is the charging process. BC enables self-sovereign identity management (SSIM), which is inherently unalterable and more secure than traditional identity systems, allowing users to [16]: Control their identities; Access and update information (though third-party verification may be required with some claims); Handle privacy issues; Transport the identity among different systems and organizations; Selectively disclosure information controlled by the holder. SSI, which provides EV owners with a unique approach for public charging, using a mobile device as an authentication process in a system that manages energy transactions among different players using BC and digital self-sovereign identity (SSI) to handle user authentication, securely record transactions, billing and security payments processing, and preserving owners identity from the Electric Vehicle Supply Equipment Operators (EVSEO) and simultaneously the location from the Electro Mobility Service Providers (EMSP).
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