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Hashgraph the Future of Decentralized Technology and the End of Blockchain

Ledina Hoxha
2018 European Journal of Formal Sciences and Engineering  
Hashgraph is data structure and consensus algorithm that is fast, with a very high throughput and low consensus latency, secure because of the asynchronous byzantine fault tolerant and fair due to the  ...  Hashgraph is a new consensus protocol that has garnered attention lately by being projected as a technology that will make blockchains obsolete.  ...  Despite its obvious benefits, Hashgraph has some way to go before it can boast of the network effects enjoyed by both Bitcoin and Ethereum.  ... 
doi:10.26417/ejfe.v1i2.p29-32 fatcat:fawlfvxr3jhhngjjujv4dctfae

Blockchain Consensus Protocols in the Wild [article]

Christian Cachin, Marko Vukolić
2017 arXiv   pre-print
A blockchain is a distributed ledger for recording transactions, maintained by many nodes without central authority through a distributed cryptographic protocol.  ...  Consensus protocols for tolerating Byzantine faults have received renewed attention because they also address blockchain systems.  ...  This work has been supported in part by the European Commission through the Horizon 2020  ... 
arXiv:1707.01873v2 fatcat:wicbybpnqbhazpwdohh4rxrnky

Applicability and Appropriateness of Distributed Ledgers Consensus Protocols in Public and Private Sectors: A Systematic Review

A. Shahaab, B. Lidgey, C. Hewage, I. Khan
2019 IEEE Access  
INDEX TERMS Blockchain technology, consensus algorithms, distributed consensus protocols, distributed ledger technology, DLTs for public sector, distributed systems, Govtech, permissioned and permissionless  ...  Advancement of consensus protocols in recent years has enabled distributed ledger technologies (DLTs) to find its application and value in sectors beyond cryptocurrencies.  ...  is the first practical asynchronous BFT protocol which does not make any timing assumptions [96] .  ... 
doi:10.1109/access.2019.2904181 fatcat:hfvu3i563rd4ra5umbaef5d2me

Soteria: A Provably Compliant User Right Manager Using a Novel Two-Layer Blockchain Technology [article]

Wei-Kang Fu, Yi-Shan Lin, Giovanni Campagna, De-Yi Tsai, Chun-Ting Liu, Chung-Huan Mei, Edward Y. Chang, Monica S. Lam, Shih-Wei Liao
2020 arXiv   pre-print
To support revocation and to prove compliance, an indelible, audited trail of the hash of data access and sharing agreements are stored on a two-layer distributed ledger.  ...  Besides depicting the two-layer architecture of Soteria, this paper evaluates representative consensus protocols and reports performance statistics.  ...  Hashgraph The Hashgraph consensus protocol (HCP) is a BFT solution in a completely asynchronous model.  ... 
arXiv:2003.10128v2 fatcat:khdhqnbvinechdckm3ltwe3yrm

A Comprehensive Review of Blockchain Consensus Mechanisms

Bahareh Lashkari, Petr Musilek
2021 IEEE Access  
Additional conclusions are drawn from the evolution of consensus mechanisms, and the analysis concludes envisaging future prospects for consensus as an important part of distributed ledger technology.  ...  This article brings a comprehensive review of the fundamentals of distributed ledger and its variants.  ...  EVOLUTION OF CONSENSUS MECHANISMS With the advent of distributed ledger technology in various application areas, the requirements for consensus protocols significantly raised, especially for protocols  ... 
doi:10.1109/access.2021.3065880 fatcat:vt7d2ol67bbvlaozhwzguog7ua

Integrating IoT and Blockchain for Ensuring Road Safety: An Unconventional Approach

Deepak Prashar, Nishant Jha, Sudan Jha, Gyanendra Prasad Joshi, Changho Seo
2020 Sensors  
Hashgraph technology, a distributed ledger technology is used to create communication networks between the different vehicles and other relevant parameters.  ...  Scheduling the requests according to the priorities for ensuring better QoS quotient can be effectively done using hashgraph. We demonstrated how the hashgraph outstrips other equivalents platforms.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20113296 pmid:32531911 fatcat:zp7b2wbrtvfi3j4v6al2vovc7a

A Taxonomy of Blockchain Consensus Methods

Jeff Nijsse, Alan Litchfield
2020 Cryptography  
For a blockchain, consensus is the foundation protocol that enables cryptocurrencies such as Bitcoin to maintain state.  ...  Additionally, to ensure safety and liveness for a publicly accessible and verifiable ledger, fault tolerance must be robust.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/cryptography4040032 fatcat:5odh2nuv7veypo7cahu4tv5tui

SoK: Diving into DAG-based Blockchain Systems [article]

Qin Wang, Jiangshan Yu, Shiping Chen, Yang Xiang
2020 arXiv   pre-print
We further identify open challenges to highlight the potentiality of DAG-based solutions and indicate their promising directions for future research.  ...  The promise of DAG-based blockchain systems is to enable fast confirmation (complete transactions within million seconds) and high scalability (attach transactions in parallel) without significantly compromising  ...  protocol with the creation of an asynchronous BFT mechanism that is resilient to 1/3 byzantine nodes.  ... 
arXiv:2012.06128v2 fatcat:ntxxixxeevhhhj6tng5umornve

Narwhal and Tusk: A DAG-based Mempool and Efficient BFT Consensus [article]

George Danezis, Eleftherios Kokoris Kogias, Alberto Sonnino, Alexander Spiegelman
2021 arXiv   pre-print
Under faults, both protocols maintain high throughput, but Narwhal-HotStuff suffers from increased latency.  ...  Narwhal tolerates an asynchronous network and maintains high performance despite failures.  ...  We also thank the Novi Research and Engineering teams for valuable feedback, and in particular Mathieu Baudet, Andrey Chursin, Zekun Li, and Dahlia Malkhi for early discussions that shaped this work.  ... 
arXiv:2105.11827v3 fatcat:cyze7qfpjjeadk4n5zdy2pbsam

Performance Evaluation of Various Block Chain Platforms

2019 International journal of recent technology and engineering  
Finally we conclude with our findings as well as a note on future directions for expanding the research blockchain technology platforms  ...  The objective of the paper is to provide an in-depth comparison of the various blockchain platforms belonging to different blockchain generations to help developers select a suitable blockchain platform  ...   Hedera Hashgraph Hedera Hashgraph [19] is a secure ,fast and fair distributed ledger platform developed by Leemon Baird in the year 2016.  ... 
doi:10.35940/ijrte.c1126.1083s19 fatcat:aggthkff7ragjpcfdkchksmf3q

Rapid Consensus Structure: Continuous Common Knowledge in Asynchronous Distributed Systems

Sang-Min Choi, Jiho Park, Kiyoung Jang, Chihyun Park
2020 Mathematics  
Herein, we propose Decision search protocols that apply the gossip protocol, denoted by DecisionBFT, for distributed networks with guaranteed BFT.  ...  A distributed system guarantees the acceptance of Byzantine fault tolerance (BFT) for information transmission.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/math8101673 fatcat:gepc6su42veznmb3pku6yommwy

Lachesis: Scalable Asynchronous BFT on DAG Streams [article]

Quan Nguyen, Andre Cronje, Michael Kong, Egor Lysenko, Alex Guzev
2021 arXiv   pre-print
Hence, Lachesis protocol is suitable for distributed ledgers by leveraging asynchronous partially ordered sets with logical time ordering instead of blockchains.  ...  We introduce our new protocol, so-called Lachesis, for distributed networks achieving Byzantine fault tolerance (BFT)~\cite{lachesis01}.  ...  We propose a general model of DAG-based consensus protocols, which uses Proof of Stake for asynchronous permissionless BFT systems.  ... 
arXiv:2108.01900v1 fatcat:mxcyawf6zvcrdasu2dv46uvqc4

StairDag: Cross-DAG Validation For Scalable BFT Consensus [article]

Quan Nguyen, Andre Cronje, Michael Kong, Alex Kampa, George Samman
2019 arXiv   pre-print
Our protocol leverages a pool of validators to expose more validating power to new blocks for faster consensus in a leaderless asynchronous system.  ...  This paper introduces a new consensus protocol, so-called \emph{\stair}, for fast consensus in DAG-based trustless system.  ...  STAIR offers a new practical alternative framework for distributed ledgers.  ... 
arXiv:1908.11810v2 fatcat:alogqgh6orcstff3pvx7xjnz2y


Mohammad Javad Amiri, Divyakant Agrawal, Amr El Abbadi
2019 Proceedings of the VLDB Endowment  
The experimental results reveal the efficiency of CAPER in terms of performance and scalability. PVLDB Reference Format:  ...  In CAPER, the blockchain ledger is formed as a directed acyclic graph where each application accesses and maintains only its own view of the ledger including its internal and all cross-application transactions  ...  (BFT) protocol as their local consensus protocol.  ... 
doi:10.14778/3342263.3342275 fatcat:26tfop2q4nbajomsr7e3dayh5a

Enabling Integration and Interaction for Decentralized Artificial Intelligence in Airline Disruption Management [article]

Kolawole Ogunsina, Daniel DeLaurentis
2021 arXiv   pre-print
management, through an intelligent multi-agent system that employs principles from artificial intelligence and distributed ledger technology.  ...  In addition, existing approaches for airline disruption management include human specialists who decide on necessary corrective actions for airline schedule disruptions on the day of operation.  ...  The Hashgraph Protocol: Efficient Asyn- chronous BFT for High-Throughput Distributed Ledgers. In 2020 Inter- national Conference on Omni-layer Intelligent Systems (COINS) (pp. 1– 7).  ... 
arXiv:2104.03349v4 fatcat:q576sdnb5rhm3fitqubzaooih4
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