Filters








381 Hits in 5.4 sec

Workflow Management on Proof-of-Work Blockchains: Implications and Recommendations

Joerg Evermann, Henry Kim
2021 SN Computer Science  
Our main contribution is the identification of potential problems raised by proof-of-work blockchain infrastructure and recommendations to address them.  ...  In this paper, we examine the use of proof-of-work blockchains for executing inter-organizational workflows.  ...  Identify challenges, implications, and recommendations arising from the use of proof-of-work blockchains for workflow management.  ... 
doi:10.1007/s42979-020-00387-6 fatcat:g74cf4dshjfnhaagaikcnsfjf4

Workflow Management on the Blockchain — Implications and Recommendations [article]

Joerg Evermann, Henry Kim
2019 arXiv   pre-print
We discuss architectural options and describe prototype implementations of blockchain-based workflow management systems (WfMS), highlighting differences to traditional WfMS.  ...  Our main contribution is the identification of potential problems raised by blockchain infrastructure and recommendations to address them.  ...  , and 2. identify problems, implications, and recommendations arising from the use proof-of-work blockchains for workflow management.  ... 
arXiv:1904.01004v2 fatcat:iakancbzt5cgjcdphstuhsrmxi

Toward More Rigorous Blockchain Research: Recommendations for Writing Blockchain Case Studies

Horst Treiblmaier
2019 Frontiers in Blockchain  
In this paper I offer guidelines and suggestions on how to design and structure Blockchain case studies to create value for academia and the industry.  ...  More specifically, I describe Blockchain characteristics and challenges, present existing Blockchain case studies, and discuss various types of case study research and how they can be useful for industry  ...  Another solution based on directed acyclic graphs is Hashgraph, a DLT with a consensus mechanism that does not rely on an energy-consuming proof-of-work mechanism.  ... 
doi:10.3389/fbloc.2019.00003 fatcat:6g26zv5eazbbfmfhnfg2prncg4

DMMS: A Decentralized Blockchain Ledger for the Management of Medication Histories

Patrick Li, Scott D. Nelson, Bradley A. Malin, You Chen
2018 Blockchain in Healthcare Today  
an intensive hashing algorithm, which is required in most public blockchain implementations and accomplished through proof of work.  ...  Second, we present a DMMS prototype, investigate its potential effect on e-prescriptions, and expand on the future implications of our framework.  ... 
doi:10.30953/bhty.v1.38 fatcat:lhsues2k6fewld6yilugj36cri

A Framework Proposal for Blockchain-Based Scientific Publishing Using Shared Governance

Tim K. Mackey, Neal Shah, Ken Miyachi, James Short, Kevin Clauson
2019 Frontiers in Blockchain  
The DAO will be comprised of participants of validated individuals and organizations who are publishers, editors, peer-reviewers, and citizen scientists to manage and oversee the framework.  ...  Building upon a review of these efforts, we propose a governance framework for scientific publishing based on a consortium blockchain model to create a more efficient means of navigating the publishing  ...  Information on the blockchain is now public and includes the entire history related to identity (depending on terms of review), comments, and decisions of editors and reviewers, and proof of consensus  ... 
doi:10.3389/fbloc.2019.00019 fatcat:6peqy4sjsfdmlkdhftbdd7tu5y

Design Thinking using the Blockchain

Alexander Schönhals, Thomas Hepp, Bela Gipp
2018 Proceedings of the 1st Workshop on Cryptocurrencies and Blockchains for Distributed Systems - CryBlock'18  
By providing a clear proof-of-origin, all innovators (even competitors) could continue to work on existing problem-solving process and add their contribution proportionately, depending on the state of  ...  To guarantee both proof-of-existence and proof-of-origin, a unique hash is generated from each digital artifact stored and embedded into the Bitcoin Blockchain by the OriginStamp decentralized trusted  ...  is generated, and implications are gained.  ... 
doi:10.1145/3211933.3211952 dblp:conf/mobisys/SchonhalsHG18 fatcat:yakxqbhhsvct5frbhn7hkgo4ga

From Clinical Trials to Highly Trustable Clinical Trials: Blockchain in Clinical Trials, a Game Changer for Improving Transparency?

Mehdi Benchoufi, Doug Altman, Philippe Ravaud
2019 Frontiers in Blockchain  
In this perspective article, we show how Blockchain may trace and control processes of clinical trials to prevent these issues or at least discourage them because they would become traceable and averted  ...  Then, we propose a short and doable program in which, amid the complex stream of events in a clinical trial, we select sensitive and misconduct-prone steps that could greatly benefit from Blockchain by  ...  ACKNOWLEDGMENTS We express our very great appreciation of the work of Elise Diard, who created the valuable figure presented here.  ... 
doi:10.3389/fbloc.2019.00023 fatcat:ftvgxrq4nbboxjel3v27xx2ljy

Blockchain Regulations and Decentralized Applications

Hemang Subramanian, Florida International University, Karlene Cousins, Lina Bouyad, Alpen Sheth, Dan Conway, Florida International University, Florida International University, Portland State University, University of Arkansas
2020 Communications of the Association for Information Systems  
Database Management, IEEE blockchain, and others. He has presented his work on blockchains at MIT-Code, CMU conference on data analytics, AMCIS, ICIS, etc. and a few industry panels.  ...  Blockchain represents one of the 21st century's most impactful inventions.  ...  One can use various operating parameters (e.g., mining power and hashing rate) and algorithms (e.g., proof of stake, proof of work, proof of data, and distributed proof of stake) to configure blockchains  ... 
doi:10.17705/1cais.04709 fatcat:5jb7meykbbdhdhmuv3jlsipgti

Blockchain Based Access Control [chapter]

Damiano Di Francesco Maesa, Paolo Mori, Laura Ricci
2017 Lecture Notes in Computer Science  
We also show a possible working implementation based on XACML policies, deployed on the Bitcoin blockchain.  ...  This paper proposes a new approach based on blockchain technology to publish the policies expressing the right to access a resource and to allow the distributed transfer of such right among users.  ...  The resulting workflow is hence an extension of the standard one.  ... 
doi:10.1007/978-3-319-59665-5_15 fatcat:fxrtkz75vbgkpg3mlspftcliqu

FHIRChain: Applying Blockchain to Securely and Scalably Share Clinical Data [article]

Peng Zhang, Jules White, Douglas C. Schmidt, Gunther Lenz, S. Trent Rosenbloom
2018 arXiv   pre-print
First, we analyze the ONC requirements and their implications for blockchain-based systems.  ...  This paper provides four contributions to the study of applying blockchain technology to clinical data sharing in the context of technical requirements defined in the "Shared Nationwide Interoperability  ...  Acknowledgements The work presented in this paper was sponsored in part by funding from Varian Medical Systems.  ... 
arXiv:1807.03227v1 fatcat:yuwuhpnfajg2tdy3n7mwkjuiva

Smart Papers: Dynamic Publications on the Blockchain [chapter]

Michał R. Hoffman, Luis-Daniel Ibáñez, Huw Fryer, Elena Simperl
2018 Lecture Notes in Computer Science  
For the scientific community, DLs have been proposed to decentralise and make more transparent each step of the scientific workflow.  ...  We show how our Smart Papers approach complements current models for decentralised publishing, and analyse cost implications.  ...  of a single point of failure, and also does not rely on a centralised party to provide proofs.  ... 
doi:10.1007/978-3-319-93417-4_20 fatcat:jpzwluunabhotf5aw7c47lhbfi

Incentivizing Change Within Social Determinants of Health Using Blockchain Technology

Chrissa McFarlane, Marquesa Finch, Tiffany R. Gray, Jonathan M. Fuchs, William Hersh, John Clouse
2020 Frontiers in Blockchain  
There are growing initiatives and calls to focus greater attention to the social determinants of health (SDOH) and their impact on population health (Heiman and Artiga, 2015) .  ...  Through exploration of the current state of SDOH in the healthcare industry, an analysis of blockchain technology will render the acceleration and adoption of SDOH to effectively provide improved health  ...  AUTHOR CONTRIBUTIONS All authors contributed to the overall development, writing and editing of the manuscript.  ... 
doi:10.3389/fbloc.2020.00040 fatcat:7ww2u6twwzcmpebiiyorukaz6q

FHIRChain: Applying Blockchain to Securely and Scalably Share Clinical Data

Peng Zhang, Jules White, Douglas C. Schmidt, Gunther Lenz, S. Trent Rosenbloom
2018 Computational and Structural Biotechnology Journal  
First, we analyze the ONC requirements and their implications for blockchain-based systems.  ...  This paper provides four contributions to the study of applying blockchain technology to clinical data sharing in the context of technical requirements defined in the "Shared Nationwide Interoperability  ...  Acknowledgements The work presented in this paper was sponsored in part by funding from Varian Medical Systems.  ... 
doi:10.1016/j.csbj.2018.07.004 pmid:30108685 pmcid:PMC6082774 fatcat:4ltjy2ufxncojnf7xkfylupacm

What blockchain can do for power grids?

Magda Foti, Manolis Vavalis
2021 Blockchain: Research and Applications  
of blockchain technology in the energy sector in general and the power grid in particular.  ...  A B S T R A C T The aim of this work is to provide an up-to-date comprehensive review of the peer-reviewed articles, the research projects and the entrepreneurial efforts that consider the utilization  ...  [55] and a transactive management infrastructure based on blockchain is proposed. Authors propose a novel consensus protocol for P2P energy exchanges named Proof of Energy.  ... 
doi:10.1016/j.bcra.2021.100008 fatcat:oda5z2d3qndinpdhyescweuuue

A Proposal for Decentralized, Global, Verifiable Health Care Credential Standards Grounded in Pharmaceutical Authorized Trading Partners

Victor Dods, Ben Taylor
2021 Blockchain in Healthcare Today  
Building on prior work with UCLA Health, Genentech (a member of the Roche Group), Sanofi, Amgen, Biogen, and others, we offer this opinion piece to promote the development of a standard for decentralized  ...  By sharing our results and releasing essential components of the work to the public domain, we hope to align and connect with other foundational efforts, thus evolving standards within a truly open framework  ...  Victor Dods led the technical considerations and recommendations around DIDs and cryptographic schema.  ... 
doi:10.30953/bhty.v4.175 fatcat:dq4ei4dmx5cjpkfugoahdw7rtm
« Previous Showing results 1 — 15 out of 381 results