To draw a roadmap of current research activities of the blockchain community, we first
conduct a brief overview of state-of-the-art blockchain surveys published in the past 5 years …

Blockchain has emerged as an innovative technology with potential to transform business
management, through operational efficiency improvements. Nevertheless, several …

This article studies the PBFT-based sharded permissioned blockchain, which executes in
either a local datacenter or a rented cloud platform. In such permissioned blockchain, the …

Public permissionless blockchains facilitate peer-to-peer digital transactions, yet face
performance challenges, specifically minimizing transaction confirmation time to decrease …

A permissioned blockchain framework typically runs an efficient Byzantine consensus
protocol and is attractive to deploy fast trading applications among a large number of …

Blockchain (BC) systems mainly depend on the consistent state of the Distributed Ledger
(DL) at different logical and physical places of the network. The majority of network nodes …

The practical Byzantine fault tolerant (PBFT) consensus mechanism is one of the most basic
consensus algorithms (or protocols) in blockchain technologies. Thus its performance …

Both revolutionary technologies of Fog Computing (FC) and Blockchain (BC) serve as
enablers for enhanced, people-centric trusted applications, and they do meet in the …

With the advantages of decentralization and high reliability, the blockchain is widely used in
vehicular networks, which has attracted widespread attention from academia and industries …

With rapid development of blockchain technology as well as integration of various
application areas, performance evaluation, performance optimization, and dynamic decision …