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Workflow Management on BFT Blockchains

Joerg Evermann, Henry Kim
We develop an architecture for a BFT blockchain based workflow management system (WfMS) and present a prototype implementation.  ...  We argue that this makes them well-suited for workflow management applications, which typically include no more than a few dozen participants.  ...  DOI:10.18417/emisa.15.14 Workflow Management on BFT Blockchains 11 Special Issue on Blockchain Technologies by Hans-Georg Fill, Peter Fettke and Stefanie Rinderle-Ma Proof-of-work BFT ordering Node  ... 
doi:10.18417/emisa.15.14 fatcat:7uodfbvybneu3otaassis5x2pi

Adapting Workflow Management Systems to BFT Blockchains – The YAWL Example [article]

Joerg Evermann
2020 arXiv   pre-print
In this paper we describe how the YAWL workflow engine can be used on a BFT based blockchain infrastructure to enable collaborative workflows across different organizations.  ...  Blockchain technology provides an auditable and tamper-proof distributed storage infrastructure for information records. This can be leveraged to support distributed workflow management.  ...  Blockchain technology admits different system designs, and workflow management systems (WfMS) can be implemented in different ways on different types of blockchains.  ... 
arXiv:2006.05808v1 fatcat:4gfasawlezhpviidrcjmvlbyje

Effective Scaling of Blockchain Beyond Consensus Innovations and Moore's Law [article]

Yinqiu Liu, Kai Qian, Jianli Chen, Kun Wang, Lei He
2020 arXiv   pre-print
This makes blockchain suffer from insufficient performance and poor scalability.  ...  As an emerging technology, blockchain has achieved great success in numerous application scenarios, from intelligent healthcare to smart cities.  ...  Using identity management strategy, we divide blockchain into public-and private-chain [15] .  ... 
arXiv:2001.01865v2 fatcat:yhjx2yxtdnaapgj7xleuyqjeri

Distributed Access Control with Blockchain [article]

Jordi Paillisse and Jordi Subira and Albert Lopez and Alberto Rodriguez-Natal and Vina Ermagan and Fabio Maino and Albert Cabellos
2019 arXiv   pre-print
Network administrators specify polices that are rendered into blockchain transactions.  ...  A LISP control plane (RFC 6830) allows routers performing the access control to query the blockchain for authorizations.  ...  Typical Workflow Company A assigns User A its credentials (publicprivate keypair), with the public key being the one in the blockchain. 3.  ... 
arXiv:1901.03568v1 fatcat:4qmkvdypj5h5boixlbas443ghq

Smart and Secure CAV Networks Empowered by AI-Enabled Blockchain: Next Frontier for Intelligent Safe-Driving Assessment [article]

Le Xia, Yao Sun, Rafiq Swash, Lina Mohjazi, Lei Zhang, Muhammad Ali Imran
2021 arXiv   pre-print
Besides, diverse malicious network attacks become ubiquitous along with the worldwide implementation of the Internet of Vehicles, which exposes a range of reliability and privacy threats for managing data  ...  Then, we investigate how a distributed blockchain obtains adequate trustworthiness and robustness for CAV data by adopting a byzantine fault tolerance-based delegated proof-of-stake consensus mechanism  ...  To elaborate further, we give the workflow of BFT-DPoS process as follows: • Preparations: Initially, the network elects several most trusted RSUs as CRNs based on the token deposits proportion voted in  ... 
arXiv:2104.04572v4 fatcat:tqm6olgbv5hipimvihfkozoqce

Microchain: a Light Hierarchical Consensus Protocol for IoT System [article]

Ronghua Xu, Yu Chen
2019 arXiv   pre-print
However, integrating cryptocurrency-oriented blockchain technologies into IoT systems meets tremendous challenges on scalability, storage capacity, security, and privacy.  ...  The rapid evolution in blockchain technologies, which relied on a decentralized, immutable and distributed ledger system for transaction data auditing, provides a prospective solution to address the issues  ...  Given a comprehensive overview on blockchain consensus protocols in terms of BFT-based consensus, Nakamoto consensus and their varieties, challenges on integrating blockchain with IoT are evaluated.  ... 
arXiv:1912.10357v1 fatcat:bwo72o5c5jdrxea62gkis7kkum

Blockchains for Government: Use Cases and Challenges

James Clavin, Sisi Duan
2020 Digital Government: Research and Practice (DGOV)  
We begin with reviewing the categories of blockchains, the underlying mechanisms, and why blockchains can achieve their security goals.  ...  Blockchain has evolved to become a generic approach to store and process data in a highly decentralized and secure way.  ...  The workflow usually remains the same, but the protocols use other strategies.  ... 
doi:10.1145/3427097 fatcat:u4xtnsht3jaxtn2aai7rir3qry

Que Bian: An Electronic Medical Record Management System on Blockchain [article]

Hao Wang
2021 arXiv   pre-print
In this paper, we take advantage of blockchains' tamper-proof and decentralization properties to develop a robust and secure electronic medical record management system.  ...  Medical Record Management System is an important information management system in healthcare centers and hospitals. Information kept in such systems need to be clean, correct and tamper-proof.  ...  We create a blockchain-powered Identity and Access Management System (IAM) based on HyperLedger Indy to manage the patients' identities.  ... 
arXiv:2105.07327v4 fatcat:ckeedtm6lbf7jley5b3zk2ngge

A Survey of Distributed Consensus Protocols for Blockchain Networks [article]

Yang Xiao, Ning Zhang, Wenjing Lou, Y. Thomas Hou
2019 arXiv   pre-print
In this survey, we present a comprehensive review and analysis on the state-of-the-art blockchain consensus protocols.  ...  We believe this survey will provide blockchain developers and researchers a comprehensive view on the state-of-the-art consensus protocols and facilitate the process of designing future protocols.  ...  Yonggang Wen, and the anonymous reviewers for their constructive comments on this paper. This work was supported in part by US National Science Foundation under grants CNS-1916902, CNS-1916926.  ... 
arXiv:1904.04098v3 fatcat:gegtpion3jditfhavbgprmfwnm

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.  ...  In this paper we examine the use of blockchains for executing inter-organizational workflows.  ...  Workflow management systems (WfMS) can be implemented in different ways on blockchain infrastructure.  ... 
arXiv:1904.01004v2 fatcat:iakancbzt5cgjcdphstuhsrmxi

Accelerating Genomic Data Generation and Facilitating Genomic Data Access Using Decentralization, Privacy-Preserving Technologies and Equitable Compensation

Dennis Grishin, Kamal Obbad, Preston Estep, Kevin Quinn, Sarah Wait Zaranek, Alexander Wait Zaranek, Ward Vandewege, Tom Clegg, Nico César, Mirza Cifric, George Church
2018 Blockchain in Healthcare Today  
platform and data stored in Keep also are managed on the blockchain.  ...  First, the need to provide transparent consent management can be addressed by the ability of blockchains to store data access permissions on an Based on these use cases, one can create a set of requirements  ... 
doi:10.30953/bhty.v1.34 fatcat:bgjyvrf54vglljkwskkl5dvwfu

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

Joerg Evermann, Henry Kim
2021 SN Computer Science  
We discuss architectural options and describe two prototype implementations of a blockchain-based workflow management system (WfMS), highlighting differences to traditional WfMS.  ...  In this paper, we examine the use of proof-of-work blockchains for executing inter-organizational workflows.  ...  Much of the earlier work on distributed workflows ("Distributed workflow management"), and all of the blockchain-based WfMS SN Computer Science discussed below ("Blockchain-based Workflow management"),  ... 
doi:10.1007/s42979-020-00387-6 fatcat:g74cf4dshjfnhaagaikcnsfjf4

Table of Contents

2020 2020 IEEE 24th International Enterprise Distributed Object Computing Workshop (EDOCW)  
Management Systems to BFT Blockchains -The YAWL Example 27 Joerg Evermann (Memorial University of Newfoundland) Private Data Sharing between Decentralized Users through the PrivGAN Architecture 37 Jean-Francois  ...  Ng (University of British Columbia) An Enterprise Architecture Based on Cloud, Fog and Edge Computing for an Airfield Lighting Demonstrations Demonstrating the Architecture for Situation-Aware Logistics  ... 
doi:10.1109/edocw49879.2020.00004 fatcat:jovnlqnw7rgcxfuyhpnbjvs6qu

Fed-DDM: A Federated Ledgers based Framework for Hierarchical Decentralized Data Marketplaces [article]

Ronghua Xu, Yu Chen
2021 arXiv   pre-print
Each domain leverages an efficient Byzantine Fault Tolerance (BFT) consensus protocol to commit transactions of a domain on a private intra-ledger.  ...  Thanks to decentralization, immutability, and auditability, Blockchain is promising to enable a tamper-proof and trust-free framework to enhance performance and security issues in centralized DMs.  ...  Compared to PoW style blockchains, BFT based blockchain networks offer excellent performance and a deterministic finality but demonstrate limited scalability.  ... 
arXiv:2104.05583v1 fatcat:4h2dcmihwvew5imuyu5pz6smkm

The Role of Blockchain to Fight Against COVID-19

Anshuman Kalla, Tharaka Hewa, Raaj Anand Mishra, Mika Ylianttila, Madhusanka Liyanage
2020 IEEE Engineering Management Review  
Blockchain can play a vital role in the management of the post-COVID-19 world.  ...  The key features of blockchain, such as notarization, shared database and workflow automation, are useful when implementing different operational features in egovernment systems.  ... 
doi:10.1109/emr.2020.3014052 fatcat:ls2zrbhlhrdinlllu65sbgw3am
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