Results 31 to 40 of about 70,639 (257)

User privacy prevention model using supervised federated learning‐based block chain approach for internet of Medical Things

open access: yesCAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract This research focuses on addressing the privacy issues in healthcare advancement monitoring with the rapid establishment of the decentralised communication system in the Internet of Medical Things (IoMT). An integrated blockchain homomorphic encryption standard with an in‐build supervised learning‐based smart contract is designed to improvise ...
Chandramohan Dhasarathan   +7 more
wiley   +1 more source

SEABASS: Symmetric-keychain Encryption and Authentication for Building Automation Systems [PDF]

open access: yes, 2018
There is an increasing security risk in Building Automation Systems (BAS) in that its communication is unprotected, resulting in the adversary having the capability to inject spurious commands to the actuators to alter the behaviour of BAS.
Keoh, Sye Loong   +3 more
core   +1 more source

A Survey of RFID Authentication Protocols Based on Hash-Chain Method [PDF]

open access: yes, 2008
Security and privacy are the inherent problems in RFID communications. There are several protocols have been proposed to overcome those problems. Hash chain is commonly employed by the protocols to improve security and privacy for RFID authentication ...
Chang, Elizabeth   +3 more
core   +2 more sources

Tree-Chain: A Fast Lightweight Consensus Algorithm for IoT Applications

open access: yes, 2020
Blockchain has received tremendous attention in non-monetary applications including the Internet of Things (IoT) due to its salient features including decentralization, security, auditability, and anonymity.
Dorri, Ali, Jurdak, Raja
core   +1 more source

A blockchain-based traceable and secure data-sharing scheme [PDF]

open access: yesPeerJ Computer Science, 2023
The traditional data-sharing model relies on a centralized third-party platform, which presents challenges such as poor transaction transparency and unsecured data security. In this article, we propose a blockchain-based traceable and secure data-sharing
Zhenqi Wang, Shaopeng Guan
doaj   +2 more sources

ClaimChain: Improving the Security and Privacy of In-band Key Distribution for Messaging [PDF]

open access: yes, 2018
The social demand for email end-to-end encryption is barely supported by mainstream service providers. Autocrypt is a new community-driven open specification for e-mail encryption that attempts to respond to this demand.
Chor Benny   +13 more
core   +2 more sources

Selective Location Blinding Using Hash Chains [PDF]

open access: yes, 2011
Location-based applications require a user's movements and positions to provide customized services. However, location is a sensitive piece of information that should not be revealed unless strictly necessary. In this paper we propose a procedure that allows a user to control the precision in which his location information is exposed to a service ...
Lenzini, Gabriele   +2 more
openaire   +2 more sources

ARCHANGEL: Tamper-proofing Video Archives using Temporal Content Hashes on the Blockchain [PDF]

open access: yes, 2019
We present ARCHANGEL; a novel distributed ledger based system for assuring the long-term integrity of digital video archives. First, we describe a novel deep network architecture for computing compact temporal content hashes (TCHs) from audio-visual ...
Bell, Mark   +10 more
core   +2 more sources

Vertical coordination in agri‐food supply chain and blockchain: A proposed framework solution for Vietnamese cashew nut business

open access: yesRegional Science Policy &Practice, EarlyView., 2022
Abstract The agri‐food supply chain has been a popular research topic in recent years. The combination of a demand for products of high quality and safety standards and the increasing number of stakeholders in supply chain networks has required the agri‐food business to transform from vertically integrated to vertically operated supply chain networks ...
Thanh_Tuan Chu, Thi Thu Tra Pham
wiley   +1 more source

A Standalone FPGA-based Miner for Lyra2REv2 Cryptocurrencies

open access: yes, 2020
Lyra2REv2 is a hashing algorithm that consists of a chain of individual hashing algorithms, and it is used as a proof-of-work function in several cryptocurrencies.
Balatsoukas-Stimming, Alexios   +4 more
core   +2 more sources

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