A survey of blockchain consensus protocols

J Xu, C Wang, X Jia - ACM Computing Surveys, 2023 - dl.acm.org
Blockchain consensus protocols have been a focus of attention since the advent of Bitcoin.
Although classic distributed consensus algorithms made significant contributions to the …

A survey of state-of-the-art on blockchains: Theories, modelings, and tools

H Huang, W Kong, S Zhou, Z Zheng… - ACM Computing Surveys …, 2021 - dl.acm.org
To draw a roadmap of current research activities of the blockchain community, we first
conduct a brief overview of state-of-the-art blockchain surveys published in the past 5 years …

Brokerchain: A cross-shard blockchain protocol for account/balance-based state sharding

H Huang, X Peng, J Zhan, S Zhang… - … -IEEE Conference on …, 2022 - ieeexplore.ieee.org
State-of-the-art blockchain sharding solutions, say Monoxide, can induce imbalanced
transaction (TX) distributions among all blockchain shards due to their account deployment …

Scaling blockchain via layered sharding

Z Hong, S Guo, P Li - IEEE Journal on Selected Areas in …, 2022 - ieeexplore.ieee.org
As a promising solution to blockchain scalability, sharding divides blockchain nodes into
small groups called shards, splitting the workload. Existing works for sharding, however, are …

Building blocks of sharding blockchain systems: Concepts, approaches, and open problems

Y Liu, J Liu, MAV Salles, Z Zhang, T Li, B Hu… - Computer Science …, 2022 - Elsevier
Sharding is the prevalent approach to breaking the trilemma of simultaneously achieving
decentralization, security, and scalability in traditional blockchain systems, which are …

Elastic resource allocation against imbalanced transaction assignments in sharding-based permissioned blockchains

H Huang, Z Yue, X Peng, L He, W Chen… - … on Parallel and …, 2022 - ieeexplore.ieee.org
This article studies the PBFT-based sharded permissioned blockchain, which executes in
either a local datacenter or a rented cloud platform. In such permissioned blockchain, the …

Skychain: A deep reinforcement learning-empowered dynamic blockchain sharding system

J Zhang, Z Hong, X Qiu, Y Zhan, S Guo… - Proceedings of the 49th …, 2020 - dl.acm.org
To overcome the limitations on the scalability of current blockchain systems, sharding is
widely considered as a promising solution that divides the network into multiple disjoint …

A survey on blockchain sharding

X Liu, H **e, Z Yan, X Liang - ISA transactions, 2023 - Elsevier
As a promising technology, blockchain has found widespread application in numerous
decentralized systems. However, the scalability problem of blockchain has drawn …

A survey of state-of-the-art sharding blockchains: Models, components, and attack surfaces

Y Li, J Wang, H Zhang - Journal of Network and Computer Applications, 2023 - Elsevier
Blockchain has been widely used in various fields, such as health management, finance, the
Internet of Things (IoT), identity management, and supply chains. However, the performance …

Fisco-bcos: An enterprise-grade permissioned blockchain system with high-performance

H Li, Y Chen, X Shi, X Bai, N Mo, W Li, R Guo… - Proceedings of the …, 2023 - dl.acm.org
Enterprise-grade permissioned blockchain systems provide a promising infrastructure for
data sharing and cooperation between different companies. However, performance …