Results 51 to 60 of about 1,628 (186)

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

Ein reversibler 900‐nm‐Nahinfrarot‐Photoschalter für unsichtbar lichtbeschreibbare 2D‐ und 3D‐Displays

Angewandte Chemie, Volume 138, Issue 31, 27 July 2026.
Der peri‐benzo[a]fluoranthenthioindigo (PBFT) Photoschalter kann direkt durch Nahinfrarot‐Licht mit Wellenlängen bis zu 900 nm angeregt werden. Er bietet ein hochperformantes Eigenschaftsprofil mit kontrastreichen Farbänderungen zwischen blassgrün und tiefblau.
Elias Ciekalski, Henry Dube
wiley   +1 more source

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

PBFT optimization algorithm based on community contributions

Mathematical Biosciences and Engineering, 2023
<abstract><p>Community governance is the basic unit of social governance, and it is also an important direction for building a social governance pattern of co-construction, co-governance and sharing. Previous studies have solved the problems of data security, information traceability and participant enthusiasm in the process of community ...
Pengpeng Wang, Xu Wang, Yumin Shen, Jinlong Wang, Xiaoyun Xiong   +4 more
openaire   +3 more sources

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

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

Blockchain-based secure optimized traceable scheme for smart and sustainable food supply chain

Discover Sustainability
A large number of nodes, and significant system overhead are among the challenges. To tackle these problems, a new PBFT technique known as trace-PBFT (t-PBFT) is being contemplated for adoption in the food supply chain.
Venkata Chunduri, Mohan Raparthi, Ramswaroop Reddy Yellu, Ismail Keshta, Haewon Byeon, Mukesh Soni, Mohammed Wasim Bhatt   +6 more
doaj   +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

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

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