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 on blockchain scalability: From hardware to layer-two protocols

GAF Rebello, GF Camilo, LAC de Souza… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Despite the great success of blockchain systems in recent years, blockchains still struggle to
provide the same level of latency and throughput as centralized financial systems. The core …

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 …

A flexible sharding blockchain protocol based on cross-shard byzantine fault tolerance

Y Liu, X **ng, H Cheng, D Li, Z Guan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Sharding technology is crucial to achieve decentralization, scalability, and security
simultaneously. However, existing sharding blockchain schemes suffer from high cross …

DRL-based adaptive sharding for blockchain-based federated learning

Y Lin, Z Gao, H Du, J Kang, D Niyato… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Blockchain-based Federated Learning (FL) technology enables vehicles to make smart
decisions, improving vehicular services and enhancing the driving experience through a …

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 …

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 …

LB-Chain: Load-balanced and low-latency blockchain sharding via account migration

M Li, W Wang, J Zhang - IEEE Transactions on Parallel and …, 2023 - ieeexplore.ieee.org
Blockchain sharding has been increasingly used to improve blockchain systems'
performance, in which a blockchain is split into multiple smaller, disjoint shards. In practice …

Benzene: Scaling blockchain with cooperation-based sharding

Z Cai, J Liang, W Chen, Z Hong, HN Dai… - … on Parallel and …, 2022 - ieeexplore.ieee.org
Sharding has been considered as a prominent approach to enhance the limited
performance of blockchain. However, most sharding systems leverage a non-cooperative …

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 …