Results 51 to 60 of about 2,824 (230)

On performance of PBFT for IoT-applications with constrained devices

CoRR, 2021
Cyber-physical systems and the Internet of things (IoT) is becoming an integral part of the digital society. The use of IoT services improves human life in many ways. Protection against cyber threats is an important aspect of the functioning of IoT devices. Malicious activities lead to confidential data leakages and incorrect performance of devices are
Yaroslav Meshcheryakov, Anna Melman, Oleg Evsutin, Vladimir I. Morozov, Yevgeni Koucheryavy   +4 more
openaire   +2 more sources

Enhancing Cloud‐Based Healthcare Security With Quantum‐Secure HealthChain: A Quantum Computing and Blockchain Integrated Framework

Health Science Reports, Volume 9, Issue 5, May 2026.
ABSTRACT Background and Aims Rising quantum hazards and flaws in conventional encryption make cloud‐based healthcare data security harder. Quantum‐Secure HealthChain, a new architecture using blockchain and quantum computing, improves medical data security, patient privacy, and data fidelity. Methods To prevent quantum attacks, the proposed system uses
Rajesh Bose, Somnath Mondal, Shrabani Sutradhar, Sujan Das, Muhammad Faheem, Sandip Roy, Arfat Ahmad Khan   +6 more
wiley   +1 more source

On the Viable Area of Wireless Practical Byzantine Fault Tolerance (PBFT) Blockchain Networks [PDF]

, 2019
Distributed systems are crucial to the full realization of the Internet of Thing (IoT) ecosystem as it mitigates the challenges of trust, security, and scalability associated with the traditional centralized approach.
Oluwakayode Onireti, Onireti, Oluwakayode, Muhammad Ali Imran, Lei Zhang, Imran, Muhammad Ali, Zhang, Lei   +5 more
core   +1 more source

A Blockchain‐Less Traceability System for Agriculture Using DAG, IPFS, and Serverless Deployments

International Journal of Network Management, Volume 36, Issue 3, May/June 2026.
ABSTRACT Ensuring transparency and integrity in agricultural data management is a critical challenge as the sector increasingly relies on advanced technologies. The primary problem is maintaining data traceability and security throughout the supply chain.
Antonio Villafranca, Igor Tasic, Victor Gallegos, Almudena Gimenez, Jesus Ochoa Rego, Juan Antonio Fernandez, Maria‐Dolores Cano   +6 more
wiley   +1 more source

Improved PBFT Algorithm Based on K-Means Clustering for Emergency Scenario Swarm Robotic Systems

IEEE Access, 2023
In order to solve the problem of data security and sharing efficiency caused by the complex and uncertain environment faced by swarm robotic systems in emergency scenarios, this paper designs a data security consensus algorithm based on blockchain ...
Yi Sun, Ying Fan
doaj   +1 more source

C3Crowd$C^3Crowd$: Crowd Contributor and Consumer Framework for Secure Crowd Management Using Blockchain

IET Blockchain, Volume 6, Issue 1, January/December 2026.
The study presents C3Crowd$C^3Crowd$, a blockchain‐based framework designed to enhance security in crowd management through decentralization, cryptography and smart contracts. It uses reputation management and a credit‐based incentive model to encourage user participation while safeguarding sensitive crowd data.
Sukanta Chakraborty, Abhishek Majumder
wiley   +1 more source

Secure PBFT Consensus-Based Lightweight Blockchain for Healthcare Application

, 2023
Recent advancement in IoT technology has boosted the healthcare domain with enormous usage of IoT devices to provide elevated services to patients with chronic disorders on a real-time basis by the incorporation of IoT sensors on patients’ bodies ...
Praveen Kumar Reddy Maddikunta, Pawan Hegde   +1 more
core   +1 more source

PBFT Consensus Algorithm Based on Bayesian Theory [PDF]

Jisuanji kexue
Consensus algorithm is a method to ensure that all nodes in the blockchain network reach a consensus,such as PoW and PoS.The consensus mechanism affects the performance of the blockchain system.In order to solve the problems of low throughput and long ...
PAN Yanyang, YANG Binhao, JI Qingge
doaj   +1 more source

Proof of Team Sprint: A Collaborative Consensus Algorithm for Reducing Energy Consumption in Blockchain Systems

IET Blockchain, Volume 6, Issue 1, January/December 2026.
Proof of team sprint (PoTS) is a novel consensus algorithm that replaces the competitive nature of proof of work (PoW) with a collaborative, team‐based approach to significantly reduce energy consumption. By organizing participants into groups that collaboratively solve cryptographic puzzles, PoTS achieves energy savings proportional to the group size ...
Naoki Yonezawa
wiley   +1 more source

An Adaptive and Hierarchical Approach to Configure Sharding Committees in Blockchains

IEEE Access
The scalability challenge in consensus methods based on Proof of Work (POW) has led to the popularity of voting-based consensus methods. Practical Byzantine Fault Tolerance (PBFT) is one of the most desired approaches.
Mina Kimiaei, Hossein Saidi, Mohammad Hossein Manshaei   +2 more
doaj   +1 more source