Results 121 to 130 of about 546,820 (245)

Párhuzamosítható változó hosszú hash függvény

open access: yes, 2012
A Paralellizable Variable Length kriptográfiai hash függvény egy változó hosszúsá- gú kimenettel rendelkező iterált hash függvény. Az 1990-ben megjelent Ronald Rivest által megalkotott MD4 algoritmus nagyon jó alappal szolgált a mai napig ...
Bucsay, Balázs
core  

A blockchain matrix framework based on master-slave model with sharding technology

open access: yes四川大学学报. 自然科学版
In the scaling roadmap of Ethereum blockchain, the introduction of sharding technology has enhanced transaction throughput TPS (Transaction Per Second) and optimized the blockchain architecture.
XIA Xin   +3 more
doaj  

An Improved Secure Blockchain‐Based Remote Patient Monitoring System With Role‐Based Access Control Using IPFS

open access: yesConcurrency and Computation: Practice and Experience, Volume 38, Issue 19, October 2026.
ABSTRACTThis work presents a privacy‐preserving remote healthcare system that integrates blockchain technology with a root seed‐based pseudonymization mechanism and lightweight cryptographic controls. Addressing the privacy risks of public ledgers and the limited computational resources of medical IoT devices, the proposed system focuses strictly on ...
Hoc Minh Le, Özgür Öksüz
wiley   +1 more source

INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING AND NETWORKING 1 Hash Chains with Diminishing Ranges for Sensors

open access: yes, 2008
— Sensors and other small devices that periodically transmit relatively small packets of information motivate the study of hash chains with small domains and ranges.

core  

Spatiotemporal strategies of carnivore coexistence in an arid system

open access: yesEcosphere, Volume 17, Issue 10, October 2026.
Abstract How species coexist within shared spaces can provide insights into guild structures and resource requirements, and has wide‐ranging implications for conservation managers. Within arid, multiuse landscapes, carnivore space use is compressed into predictable resource patches, potentially shifting coexistence from broad spatial segregation to ...
John Heydinger   +3 more
wiley   +1 more source

Towards a Sustainable Food Supply Chain: Digital Transformation via Blockchain, IoT and AI

open access: yesFood Science &Nutrition, Volume 14, Issue 10, October 2026.
Digital transformation in Agri‐Food Supply Chains (AFSCs) leverages Artificial Intelligence (AI), Blockchain, and Internet of Things (IoT) to enable real‐time monitoring, precision farming, smart agricultural logistics, and data‐driven decision‐making.
Zainab Jabbar   +10 more
wiley   +1 more source

Integrated framework for supply chain with blockchain technology: a manufacturers’ perspective

open access: yesJournal of Innovation and Entrepreneurship
Industries aims to have a paradigm shift in supply chains (SC) to provide transparency in the shared information for the economic and social benefits of the stakeholders in an SC. The revolution of Blockchain Technology (BT) allows all the parties in the
Dnyaneshwar Jivanrao Ghode   +3 more
doaj   +1 more source

Beyond Content Digitization: A Smart Contract‐Based Solution for Ownership and Motivation in Online Learning (Course‐Chain)

open access: yesJournal of Computer Assisted Learning, Volume 42, Issue 5, October 2026.
ABSTRACT Introduction With the advancement of the digital age, traditional face‐to‐face education and training programs have been increasingly replaced by online courses, which consist of live digital lectures and pre‐recorded video content. However, although online course platforms have succeeded in digitizing the essential requirements of traditional
Süleyman Can Tuğcu   +2 more
wiley   +1 more source

Dual‐Stimuli Responsive Poly(N‐acryloyl glycine) Microgels: Investigation of Network Structures and Application for Loading and Release of Biologics

open access: yesSmall, Volume 22, Issue 55, 1 October 2026.
Poly(N‐acryloyl glycine) hydrogel microparticles were fabricated via droplet‐based microfluidics and in situ photopolymerization. Rheology and MQ‐NMR revealed pronounced effects of pH and Ca2+ on network constraints and chain mobility, governing extensive swelling.
Yusuf Dursun   +5 more
wiley   +1 more source

Research - Hash Chain Auditability

open access: yes
This research document is part of the **MF+SO** project within The Anticloud research corpus. Published by Alpasan, Lois-Kleinner.
openaire   +2 more sources

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