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Related papers: Towards Scaling Blockchain Systems via Sharding

200 papers

Sharding has emerged as a critical solution to address the scalability challenges faced by blockchain networks, enabling them to achieve higher transaction throughput, reduced latency, and optimized resource usage. This paper investigates…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-25 Ziwei Wang , Cong Wu , Paolo Tasca

Sharding is used to improve the scalability and performance of blockchain systems. We investigate the stability of blockchain sharding, where transactions are continuously generated by an adversarial model. The system consists of $n$…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-23 Ramesh Adhikari , Costas Busch , Dariusz R. Kowalski

Sharding enhances blockchain scalability by partitioning nodes into multiple groups for concurrent transaction processing. Configuring a large number of small shards usually helps improve transaction concurrency, but it also increases the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-23 Mingzhe Li , You Lin , Jin Zhang

Blockchain sharding is a promising approach to solving the dilemma between decentralisation and high performance (transaction throughput) for blockchain. The main challenge of Blockchain sharding systems is how to reach a decision on a…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-24 Yibin Xu , Yangyu Huang , Jianhua Shao , George Theodorakopoulos

Blockchain sharding has emerged as a promising solution to the scalability challenges in traditional blockchain systems by partitioning the network into smaller, manageable subsets called shards. Despite its potential, existing sharding…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-19 Ao Liu , Jing Chen , Kun He , Ruiying Du , Jiahua Xu , Cong Wu , Yebo Feng , Teng Li , Jianfeng Ma

Storage scalability is paramount in the era of big data blockchain. A storage-scalable blockchain can effectively scale out state storage to an arbitrary number of nodes and reduce the storage pressure on each, similar to distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-26 Guangda Sun , Jialin Li

The main problem faced by smart contract platforms is the amount of time and computational power required to reach consensus. In a classical blockchain model, each operation is in fact performed by each node, both to update the status and…

Cryptography and Security · Computer Science 2021-11-11 Alessio Meneghetti , Tommaso Parise , Massimiliano Sala , Daniele Taufer

Sharding is used to address the performance and scalability issues of the blockchain protocols, which divides the overall transaction processing costs among multiple clusters of nodes. Shards require less storage capacity and communication…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-31 Ramesh Adhikari , Costas Busch

Cryptocurrencies, implemented with blockchain protocols, promise to become a global payment system if they can overcome performance limitations. Rapidly advancing architectures improve on latency and throughput, but most require all…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-17 Alex Manuskin , Michael Mirkin , Ittay Eyal

A blockchain system is a replicated state machine that must be fault tolerant. When designing a blockchain system, there is usually a trade-off between decentralization, scalability, and security. In this paper, we propose a novel…

Cryptography and Security · Computer Science 2018-11-20 Tai-Yuan Chen , Wei-Ning Huang , Po-Chun Kuo , Hao Chung , Tzu-Wei Chao

The development of blockchain applications increased the demand for blockchain performance. Among the attempts of many blockchain scale-out solutions, sharding can improve performance and reduce the storage requirements of each node.…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-08 Jia Kan , Jie Zhang , Xin Huang

Blockchain has received much attention in recent years. This immense popularity has raised a number of concerns, scalability of blockchain systems being a common one. In this paper, we seek to understand how Ethereum, a well-established…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-10 Enrique Fynn , Fernando Pedone

The recent surge in federated data management applications has brought forth concerns about the security of underlying data and the consistency of replicas in the presence of malicious attacks. A prominent solution in this direction is to…

Databases · Computer Science 2022-03-25 Sajjad Rahnama , Suyash Gupta , Rohan Sogani , Dhruv Krishnan , Mohammad Sadoghi

Low transaction throughput and poor scalability are significant issues in public blockchain consensus protocols such as Bitcoins. Recent research efforts in this direction have proposed shard-based consensus protocols where the key idea is…

Computer Science and Game Theory · Computer Science 2018-09-26 Mohammad Hossein Manshaei , Murtuza Jadliwala , Anindya Maiti , Mahdi Fooladgar

Bitcoin, as well as many of its successors, require the whole transaction record to be reliably acquired by all nodes to prevent double-spending. Recently, many blockchains have been proposed to achieve scale-out throughput by letting nodes…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-18 Zhijie Ren , Kelong Cong , Taico V. Aerts , Bart A. P. de Jonge , Alejandro F. Morais , Zekeriya Erkin

Decentralized crypto-currencies based on the blockchain architecture under-utilize available network bandwidth, making them unable to scale to thousands of transactions per second. We define the Blockclique architecture, that addresses this…

Cryptography and Security · Computer Science 2020-02-11 Sébastien Forestier , Damir Vodenicarevic , Adrien Laversanne-Finot

A major challenge in blockchain sharding protocols is that more than 95% transactions are cross-shard. Not only those cross-shard transactions degrade the system throughput but also double the confirmation time, and exhaust an already…

Cryptography and Security · Computer Science 2021-10-19 Lan N. Nguyen , Truc Nguyen , Thang N. Dinh , My T. Thai

For permissionless blockchains, scalability is paramount. While current technologies still fail to address this problem fully, many research works propose sharding or other techniques that extensively adopt parallel processing of…

Cryptography and Security · Computer Science 2022-12-23 Andrea Mariani , Gianluca Mariani , Diego Pennino , Maurizio Pizzonia

Sharding is a promising blockchain scaling solution. But it currently suffers from high latency and low throughput when it comes to cross-shard transactions, i.e., transactions that require coordination from multiple shards. The root cause…

Cryptography and Security · Computer Science 2021-02-01 Sourav Das , Vinith Krishnan , Ling Ren

Sharding is proposed to enhance blockchain scalability. However, a size-security dilemma where every shard must be large enough to ensure its security constrains the efficacy of individual shards and the degree of sharding itself. Most…

Cryptography and Security · Computer Science 2025-03-26 Jianting Zhang , Zhongtang Luo , Raghavendra Ramesh , Aniket Kate