Purchases of electric vehicles have been increasing in recent years. These vehicles differ
from traditional fossil-fuel-based vehicles especially in the time consumed to keep them …

Future communication will be characterized by ubiquitous connectivity and security. These
features will be essential requirements for the efficient functioning of futuristic applications. In …

Nowadays, with the advancement of smart technologies, the Internet of Things (IoT)
emerged as a booming technology that can provide better quality and facilities for the …

Electric vehicles (EVs) are gaining widespread adoption, which requires expanding the
charging infrastructure. This infrastructure is part of a complex ecosystem that consists of …

Smart contracts often need to verify identity-related information of their users. However, such
information is typically confidential, and its verification requires access to off-chain …

Many service systems rely on verifiable identity-related information of their users.
Manipulation and unwanted exposure of this privacy-relevant information, however, must at …

Blockchains are distributed systems that allow mutually distrusting parties to process
transactions in a censorship-resistant way while establishing an immutable transaction …

Block-chain emerged as the technology of choice for most applications because of its
immutability property. Block-chain's immutability property promotes network resilience …

Prior to provisioning sensor data to smart contracts, a pre-processing of the data on
intermediate off-chain nodes is often necessary. When doing so, originally constructed …

With the rapid development of the Internet of Things (IoT), ensuring secure communication
between devices has become a crucial challenge. This paper proposes a novel secure …