Export Citations
Save this search
Please login to be able to save your searches and receive alerts for new content matching your search criteria.
- research-articleApril 2024
A Comparative Study of Blockchain Development Platforms
ICCIP '23: Proceedings of the 2023 9th International Conference on Communication and Information ProcessingDecember 2023, Pages 555–561https://doi.org/10.1145/3638884.3638971Blockchain technology is nowadays applied to several domains, essentially finance, healthcare, supply chain, and digital identity management. For enterprises to adopt a blockchain solution, many existing platforms facilitate the development process ...
- research-articleDecember 2023
Feasibility Analysis for Sybil Attacks in Shard-Based Permissionless Blockchains
- Tayebeh Rajabi,
- Alvi Ataur Khalil,
- Mohammad Hossein Manshaei,
- Mohammad Ashiqur Rahman,
- Mohammad Dakhilalian,
- Maurice Ngouen,
- Murtuza Jadliwala,
- A. Selcuk Uluagac
Distributed Ledger Technologies: Research and Practice (DLT), Volume 2, Issue 4Article No.: 25, Pages 1–21https://doi.org/10.1145/3618302Committee-based permissionless blockchain approaches overcome single leader consensus protocols’ scalability issues by partitioning the outstanding transaction set into shards and selecting multiple committees to process these transactions in parallel. ...
- research-articleMarch 2024
A Systematic Literature Review of Blockchain Technology: Applications Fields, Platforms, and Consensus Protocols
CSAI '23: Proceedings of the 2023 7th International Conference on Computer Science and Artificial IntelligenceDecember 2023, Pages 123–131https://doi.org/10.1145/3638584.3638632In the context of today's digital era, blockchain technology has established itself as one of the transformative innovations that pushes the boundaries of data management and security. Given this situation, the present work carries out a systematic ...
- research-articleDecember 2023
An Enhanced Tendermint Consensus Protocol Powered by Elliptic Curve VRF for Beacon Chain Model
SOICT '23: Proceedings of the 12th International Symposium on Information and Communication TechnologyDecember 2023, Pages 517–524https://doi.org/10.1145/3628797.3628861Blockchain technology has seen rapid adoption of Proof-of-Stake consensus mechanism in lieu of Proof-of-Work due to the former’s efficiency and speed. One notable example of Proof-of-Stake is the Tendermint protocol, which has been powering the entirety ...
- research-articleNovember 2023
Proof of Review: Trust Me, It's Been Reviewed
BIOTC '23: Proceedings of the 2023 5th Blockchain and Internet of Things ConferenceJuly 2023, Pages 23–34https://doi.org/10.1145/3625078.3625082We present a novel consensus model called Proof of Review (PoRev) which uses reputation, evaluation of reviews/assessments, blacklisting, and minimum reputation to come to an agreement on a block of transactions, while securing the data on the ...
-
- research-articleJuly 2023
HOME: Heard-of Based Formal Modeling and Verification Environment for Consensus Protocols
ICSE '23: Proceedings of the 45th International Conference on Software Engineering: Companion ProceedingsMay 2023, Pages 16–20https://doi.org/10.1109/ICSE-Companion58688.2023.00016Consensus protocol plays an important role in ensuring the reliability of distributed systems. How to formally model and verify it is a hot research issue. Due to the limitation of verification performance, it can usually verify consensus algorithms ...
- posterJune 2023
Proof of Swarm Based Ensemble Learning for Federated Learning Applications
SAC '23: Proceedings of the 38th ACM/SIGAPP Symposium on Applied ComputingMarch 2023, Pages 152–155https://doi.org/10.1145/3555776.3578601Ensemble learning combines results from multiple machine learning models in order to provide a better and optimised predictive model with reduced bias, variance and improved predictions. However, in federated learning it is not feasible to apply ...
- research-articleJanuary 2023
A survey of blockchain: concepts, applications and challenges
International Journal of Computing Science and Mathematics (IJCSM), Volume 17, Issue 22023, Pages 152–165https://doi.org/10.1504/ijcsm.2023.130685With the development of Bitcoin, organisations, be it businesses or institutions, are centring on leveraging Bitcoin's blockchain technology to nonmonetary based applications to improve efficiency of the activities. Having various benefits like anonymity, ...
- research-articleNovember 2022
Bullshark: DAG BFT Protocols Made Practical
CCS '22: Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications SecurityNovember 2022, Pages 2705–2718https://doi.org/10.1145/3548606.3559361We present Bullshark, the first directed acyclic graph (DAG) based asynchronous Byzantine Atomic Broadcast protocol that is optimized for the common synchronous case. Like previous DAG-based BFT protocols [19, 25], Bullshark requires no extra ...
- research-articleMarch 2023
MLRaft: Improvement of Raft Based on Multi-log Synchronization Model
EITCE '22: Proceedings of the 2022 6th International Conference on Electronic Information Technology and Computer EngineeringOctober 2022, Pages 1050–1055https://doi.org/10.1145/3573428.3573617Raft is currently the most popular distributed consensus protocol. Due to the single leader mechanism of Raft, the performance of the distributed system is degraded to that of a single-machine system. Aiming at this shortcoming, this paper proposes a ...
- research-articleOctober 2022
Efficient and stable quorum-based log replication and replay for modern cluster-databases
Frontiers of Computer Science: Selected Publications from Chinese Universities (FCS), Volume 16, Issue 5Oct 2022https://doi.org/10.1007/s11704-020-0210-yAbstractThe modern in-memory database (IMDB) can support highly concurrent on-line transaction processing (OLTP) workloads and generate massive transactional logs per second. Quorum-based replication protocols such as Paxos or Raft have been widely used ...
Narwhal and Tusk: a DAG-based mempool and efficient BFT consensus
EuroSys '22: Proceedings of the Seventeenth European Conference on Computer SystemsMarch 2022, Pages 34–50https://doi.org/10.1145/3492321.3519594We propose separating the task of reliable transaction dissemination from transaction ordering, to enable high-performance Byzantine fault-tolerant quorum-based consensus. We design and evaluate a mempool protocol, Narwhal, specializing in high-...
Implicit model specialization through dag-based decentralized federated learning
Middleware '21: Proceedings of the 22nd International Middleware ConferenceDecember 2021, Pages 310–322https://doi.org/10.1145/3464298.3493403Federated learning allows a group of distributed clients to train a common machine learning model on private data. The exchange of model updates is managed either by a central entity or in a decentralized way, e.g. by a blockchain. However, the strong ...
- research-articleOctober 2021
Robust Observer-based Control of Nonlinear Multi-Omnidirectional Wheeled Robot Systems via High Order Sliding-mode Consensus Protocol
International Journal of Automation and Computing (SPIJAC), Volume 18, Issue 5Oct 2021, Pages 787–801https://doi.org/10.1007/s11633-020-1254-zAbstractThis paper presents a novel observer-based controller for a class of nonlinear multi-agent robot models using the high order sliding mode consensus protocol. In many applications, demand for autonomous vehicles is growing; omnidirectional wheeled ...
- research-articleJune 2021
Plume: Fast Finality Blockchain without Single Failure Point
ASSE '21: 2021 2nd Asia Service Sciences and Software Engineering ConferenceFebruary 2021, Pages 18–27https://doi.org/10.1145/3456126.3456128Bitcoin’s slow finality is an important factor preventing it from being widely used in real life. And other public single-chain blockchains have the same problem. In this paper, we propose a practical new protocol called Plume to achieve consensus with ...
- research-articleJanuary 2021
Study of blockchain-based 6G wireless network integration and consensus mechanism
International Journal of Wireless and Mobile Computing (IJWMC), Volume 21, Issue 32021, Pages 255–264https://doi.org/10.1504/ijwmc.2021.120906The sixth-generation (6G) system is a future standard of wireless networks and will be expected to deploy with the full support of blockchain. Blockchain technology is a Distributed Ledger Technology (DLT) to store and refer to the data. In this paper, ...
- research-articleOctober 2020
A Proof-of-Majority Consensus Protocol for Blockchain-enabled Collaboration Infrastructure of 5G Network Slice Brokers
BSCI '20: Proceedings of the 2nd ACM International Symposium on Blockchain and Secure Critical InfrastructureOctober 2020, Pages 41–52https://doi.org/10.1145/3384943.3409421With network slicing technology, 5G changes the classical mobile network business model from a network-operator-oriented business to a more open system with multiple stakeholders. In this context, a network slice broker plays the role of agency between ...
- research-articleJuly 2020
Topology optimised fixed‐time consensus for multi‐UAV system in a multipath fading channel
IET Communications (CMU2), Volume 14, Issue 11Pages 1730–1738https://doi.org/10.1049/iet-com.2019.0699Time‐varying connectivity is one of main challenges faced by controlling a team of unmanned aerial vehicles (UAVs) in the multipath fading channel, incurring low accuracy and significant convergence time of formation control law. To address this issue, ...
- research-articleSeptember 2020
Architecting Blockchain Systems: A Systematic Literature Review
ICSEW'20: Proceedings of the IEEE/ACM 42nd International Conference on Software Engineering WorkshopsJune 2020, Pages 664–670https://doi.org/10.1145/3387940.3392196Companies are gravitating more and more towards the use of blockchains in their systems, but it is not a silver bullet. Challenges are currently holding back blockchain's enormous potential, such as scalability issues and frustrating trade-offs, most ...
- research-articleNovember 2019
PoTN: A Novel Blockchain Consensus Protocol with Proof-of-Trust Negotiation in Distributed IoT Networks
IoT S&P'19: Proceedings of the 2nd International ACM Workshop on Security and Privacy for the Internet-of-ThingsNovember 2019, Pages 32–37https://doi.org/10.1145/3338507.3358613As one of the fundamental characteristics of distributed IoT networks, blockchain has attracted tremendous interests from both the academics and industries. Recently, the key to support distributed IoT networks through blockchain is the consensus ...