Results 101 to 110 of about 7,578 (241)
A Chain Key Model Based on Message Hash Chain
To address the issue of key lifespan in key security, a chain key model based on a message hash chain is proposed. This model breaks away from the traditional scheme of generating random keys using random number generators, using plaintext features as a source of randomness, and generates the next key in conjunction with the current key, achieving key ...
Wenbao Jiang +3 more
openaire +1 more source
Directed acyclic graph (DAG)‐based blockchain is a promising paradigm of a blockchain system. During DAG‐based consensus processes, nodes generate blocks in parallel, as well as voting YES on the previous blocks. It makes the DAG‐based blockchain a performance advantage in terms of confirmation delay and transaction throughput.
Ruilin Lai +6 more
wiley +1 more source
Design and Development of a Blockchain‐Enabled Decentralized Framework for Academic Microcredentials
Traditional higher education faces significant challenges, including rising costs, inflexibility, and a disconnect from workforce demands, while current credentialing systems are often centralized and vulnerable to fraud. Microcredentials have emerged as a solution, yet they lack integration into formal degree pathways and face issues with recognition ...
Abrar Mahbub Tanim +4 more
wiley +1 more source
The modern metropolis essentially demands the use of state‐of‐the‐art, real‐time surveillance systems, which should be reliable, scalable, and respectful of privacy at the same time. Critical shortcomings in traditional architectures are single points of failure, poor scalability, frequent data breaches, and inadequately managed privacy.
Shihab Sarar +4 more
wiley +1 more source
ABSTRACT Blockchain technology is a disruptive technology known for its use in financial services, supply chains and cryptocurrencies; however, it remains relatively underutilised in human resource management (HRM). This study aims to explore current and potential future uses of blockchain in strategic and operational HRM and examines the enablers and ...
Patricia Iglesias +2 more
wiley +1 more source
Cloud storage systems in smart grids face dual challenges: ensuring data integrity while maintaining real-time responsiveness when managing large-scale power data.
Bo Feng +5 more
doaj +1 more source
A Study on zk-SNARK-Based RBAC Scheme in a Cross-Domain Cloud Environment
Because of the advancement of IT, cross-domain environments have emerged where independent clouds with different security policies share data. However, sharing data between clouds with heterogeneous security levels is a challenging task, and most ...
Seong Cheol Yoon +3 more
doaj +1 more source
The Myths of Blockchain Governance
ABSTRACT Research Question/Issue Blockchain technology promises to revolutionize governance through strong commitments, trustlessness, and transparency. This paper examines how these promises have failed to materialize in practice. Research Findings/Insights Drawing on case evidence from major blockchains, including Bitcoin and Ethereum, I argue that ...
Daniel Ferreira
wiley +1 more source
ABSTRACT Background DEEPSARC, one of the first projects running on the Health Data Hub, aimed to identify real‐life treatment regimens that could improve overall survival. The project is based on matching the national database of the sarcoma reference network with the SNDS.
Erwan Drezen +12 more
wiley +1 more source
Secure resource metering and accounting with hash chain in cloud storage
Cloud storage is a pay-per-use service of which the billing plan is typically based on users' resource consump-tion metered by server side. Therefore, the trustworthiness between payer and service provider becomes a key factor for the business, and ...
Mei LIU +5 more
doaj

