Since the inception of blockchain-based cryptocurrencies, researchers have been
fascinated with the idea of integrating blockchain technology into other fields, such as health …

Although Blockchain has been successfully used in many different fields and applications, it
has been traditionally regarded as an energy-intensive technology, essentially due to the …

This paper presents the research undertaken with the goal of designing a consensus
algorithm for cryptocurrencies with less latency than the current state-of-the-art while …

This study analyzes the security implications of Proof-of-Work blockchains with respect to the
stale block rate and the lack of a block verification process. The stale block rate is a crucial …

Blockchain technology has found widespread use in various fields, including finance,
healthcare, the Internet of Things, and supply chain management, due to its ability to meet …

The blockchain (BC) paradigm is currently modifying all the major Internet of Things (IoT)
application domains, giving the opportunity of constructing decentralized environments in …

The Internet of Things (IoT) is increasingly influencing and transforming various aspects of
our daily lives. Contrary to popular belief, it raises security and privacy issues as it is used to …

Efficient blockchain querying is crucial for unlocking the full potential of blockchain
technology in diverse applications and enabling it to compete with traditional databases in …

Alliance chain has gained widespread popularity in industrial and commercial fields due to
its multi-centralization and node manageability. Current implementations of the alliance …

Abstract The Industrial Internet of Things collects data from the environment to improve
industrial processes. Data integrity, privacy, authorisation, and authentication attacks are …