...Ahmed Shakir Albudairi; Ali Hussein Abdulkalaq; Karim Aljabri Purpose This study aims to improve health-care quality by integrating diverse sources through a mobile-fog-cloud architecture and a blockchain-enabled deep reinforcement learning ( DRL ) model. Design/methodology/approach...

...Yin Lei; Zhuo Chen; Xiangbo Yuan; Jiahang Sun; Yan Wu; Feng Gao; Meng Li; Zijian Zhang Purpose This study aims to propose blockchain-based covert data transmission schemes for modern decentralized applications, addressing the challenges of secure covert communication in resource-constrained...

... Privacy (DP), Federated Learning (FL) and blockchain. In addition, this study examines prevalent cyber threats and vulnerabilities related to PP in IoT-integrated SM networks, providing insights into emerging challenges and the need for robust security measures. Findings The analysis reveals...

... on the blockchain. Design/methodology/approach ZKP-FL leverages zero-knowledge proofs to verify the extensive local training process without threatening the local privacy. To reduce the memory and runtime overhead, the authors divide the training algorithm to be proven into smaller pieces and generating proofs...

...Xiaohong Shi; Ziyan Wang; Runlu Zhong; Liangliang Ma; Xiangping Chen; Peng Yang Purpose Smart contracts are written in high-level programming languages, compiled into Ethereum Virtual Machine (EVM) bytecode, deployed onto blockchain systems and called with the corresponding address by transactions...

...Zhaobin Meng; Yueheng Lu; Hongyue Duan Purpose The purpose of this paper is to study the following two issues regarding blockchain crowdsourcing. First, to design smart contracts with lower consumption to meet the needs of blockchain crowdsourcing services and also need to design better...

... of this paper is to introduce a novel blockchain-based e-waste management system aiming to mitigate the above-mentioned downsides and limitations of the existing proposals. Design/methodology/approach This paper proposes a robust and reliable e-waste management system by leveraging the power of blockchain...

... and could be used as the certified provenance to improve the quality of data. Design/methodology/approach This paper will propose a pragmatic solution that focuses on the combination of comprehensive knowledge archive network – the broadest used open data platform and hyperledger fabric blockchain...

...Oleksii Konashevych Purpose The purpose of this paper is to present a concept of the protocol for public registries based on blockchain. New database protocol aims to use the benefits of blockchain technologies and ensure their interoperability. Design/methodology/approach This paper is framed...