Since the advent of distributed ledger technologies, they have provided diverse
opportunities in a wide range of application domains. This article brings a comprehensive …

In the last few decades, there has been an increase in food safety and traceability issues. To
prevent accidents and misconduct, it became essential to establish Food Safety Traceability …

Blockchain is a distributed and decentralized ledger for recording transactions. It is
maintained and shared among the participating nodes by utilizing cryptographic primitives …

Blockchain has found applications to track ownership of digital assets. Yet, several
blockchains were shown vulnerable to network attacks. It is thus crucial for companies to …

Consensus, state machine replication (SMR) and total order broadcast (TOB) protocols are
notorious for being poorly scalable with the number of participating nodes. Despite the …

Consensus algorithms are applied in the context of distributed computer systems to improve
their fault tolerance. The explosive development of distributed ledger technology following …

Byzantine fault-tolerant (BFT) consensus algorithms are at the core of providing safety and
liveness guarantees for distributed systems that must operate in the presence of arbitrary …

Recently, streamlined Byzantine Fault Tolerant (BFT) consensus protocols, such as HotStuff,
have been proposed as a means to circumvent the inefficient view-changes of traditional …

The smart manufacturing ecosystem enhances the end-to-end efficiency of the mine-to-
market lifecycle to create the value chain using the big data generated rapidly by edge …

In this paper, we explore vulnerabilities and countermeasures of the recently proposed
blockchain consensus based on proof-of-authority. The proof-of-work blockchains, like …