Results 111 to 120 of about 122,977 (313)

On Immutability of Blockchains

open access: yes, 2018
Recently we presented a single-party cryptographic timestamping mechanism based on proof-of-sequential-work, which we proved secure in the universal composability framework [16]. This paper describes this construction and its security claims and uses it to construct a multi-party permissioned blockchain protocol and show that it achieves an ...
E. Landerreche (Esteban)   +1 more
openaire   +2 more sources

Εφαρμογές τεχνολογιών Blockchain στα λιμάνια

open access: yes, 2022
Η τεχνολογία Blockchain είναι μια ακμάζουσα και σχετικά νέα τεχνολογία στον παγκόσμιο κλάδο του εμπορίου, πόσο δε μάλλον στον ναυτιλιακό κλάδο.
Κάππος, Βασίλειος
core  

Strategies for Realizing Industry 5.0 Inclusive Sustainability Goals for Sustainable Development: A Structured Framework for Overcoming Barriers and Guiding Transformation

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Industry 5.0 has emerged to address the limitations of Industry 4.0 by emphasizing inclusive sustainability through environmentalism, human‐centricity, and resilience. However, its development faces barriers across technological, organizational, and social dimensions.
Mohammad Ali Beheshtinia   +4 more
wiley   +1 more source

Full Text PDF of the 14th Issue of The JBBA, Nov 2024

open access: yesThe Journal of The British Blockchain Association
Full Text PDF of the 14th Issue of The JBBA, Nov ...
The British Blockchain Association
doaj  

Double‐layer Byzantine fault‐tolerant grouping consensus algorithm based on raft

open access: yesIET Blockchain
Addressing the scalability issues, excessive communication overhead, and challenges in adapting to large‐scale network node environments faced by the Practical Byzantine Fault Tolerance (PBFT) consensus algorithm currently employed in consortium ...
Haotian Yuan   +3 more
doaj   +1 more source

Innovating for Net‐Zero: Collaborative and Digital Decarbonisation Strategies in Sunset Industries' Global Value Chains

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Global net‐zero ambitions require transformative strategies to decarbonise carbon‐intensive global value chains (GVCs). This study examines how multinational enterprises (MNEs) in sunset industries integrate carbon capture technologies (CCT) with operational and supply chain dynamics (OSCD) to advance decarbonisation.
Muhammad Mustafa Kamal   +6 more
wiley   +1 more source

LLM-CR: LLM-enhanced course recommendation

open access: yesInternational Journal of Educational Technology in Higher Education
Recommender systems have become increasingly important in online learning platforms, where learners face a growing number of available courses and substantial variation in course quality and relevance. However, many existing course recommendation methods
Jianan Jiang   +4 more
doaj   +1 more source

The Cost of Trust: A Pilot Study

open access: yesThe Journal of The British Blockchain Association, 2018
Trust is a fundamental precondition underpinning exchange and economic coordination but is costly to maintain. Given the potential for agents to enjoy zero-sum gains by opportunistically betraying the trust of exchanging counterparties, an edifice of ...
Sinclair Davidson   +2 more
doaj   +1 more source

Leading the Loop: Anchor‐Led Orchestration in Nascent Circular Ecosystems—A Qualitative Case Study

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The transition towards a circular economy necessitates coordinated, systemic change across value chains. Yet the role of anchor firms in initiating and orchestrating nascent circular ecosystems remains underexplored. Using an inductive, qualitative single‐case design, we analyse a German mid‐sized entrepreneurial firm, drawing on 21 interviews
Johann Felix Mader, Patrick Spieth
wiley   +1 more source

Full Text PDF of The JBBA 16th Issue, November 2025

open access: yesThe Journal of The British Blockchain Association
Full Text PDF of The JBBA 16th Issue, November ...
The British Blockchain Association
doaj  

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