Wireless Sensor Networks (WSNs) constitute one of the most promising third-millennium
technologies and have wide range of applications in our surrounding environment. The …

Abstract Internet of Things (IoT) is playing a more and more important role after its showing
up, it covers from traditional equipment to general household objects such as WSNs and …

Proofs of work (PoW) have been suggested by Dwork and Naor (Crypto'92) as protection to
a shared resource. The basic idea is to ask the service requestor to dedicate some non …

Advances in hardware manufacturing technology, wireless communications, micro electro-
mechanical devices and information processing technologies enabled the development of …

Wireless sensor networks (WSNs) use small nodes with constrained capabilities to sense,
collect, and disseminate information in many types of applications. As sensor networks …

Abstract Wireless Sensor Networks (WSNs) are used in many applications in military,
ecological, and health-related areas. These applications often include the monitoring of …

Bitcoin has become the most successful cryptocurrency ever deployed, and its most
distinctive feature is that it is decentralized. Its underlying protocol (Nakamoto consensus) …

368As wireless sensor networks continue to grow, so does the need for effective security
mechanisms. Because sensor networks may interact with sensitive data and/or operate in …

Wireless sensor networks (WSNs) have recently attracted a lot of interest in the research
community due their wide range of applications. Due to distributed nature of these networks …

The significant advances of hardware manufacturing technology and the development of
efficient software algorithms make technically and economically feasible a network …