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Related papers: State sharding model on the blockchain

200 papers

Sharding distributed ledgers is a promising on-chain solution for scaling blockchains but lacks formal grounds, nurturing skepticism on whether such complex systems can scale blockchains securely. We fill this gap by introducing the first…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-23 Georgia Avarikioti , Antoine Desjardins , Eleftherios Kokoris-Kogias , Roger Wattenhofer

Nowadays, sharding is deemed as a promising way to save traditional blockchain protocols from their low scalability. However, such technique also brings several potential risks and huge communication overheads. An improper design may give…

Cryptography and Security · Computer Science 2022-01-03 Mengqian Zhang , Jichen Li , Zhaohua Chen , Hongyin Chen , Xiaotie Deng

In blockchain sharding, $n$ processing nodes are divided into $s$ shards, and each shard processes transactions in parallel. A key challenge in such a system is to ensure system stability for any ``tractable'' pattern of generated…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-03 Ramesh Adhikari , Costas Busch , Dariusz R. Kowalski

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 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 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 technology offers decentralization and security but struggles with scalability, particularly in enterprise settings where efficiency and controlled access are paramount. Sharding is a promising solution for private blockchains,…

Cryptography and Security · Computer Science 2026-01-09 M. Z. Haider , M. Dias de Assuncao , Kaiwen Zhang

Today's blockchain designs suffer from a trilemma claiming that no blockchain system can simultaneously achieve decentralization, security, and performance scalability. For current blockchain systems, as more nodes join the network, the…

Cryptography and Security · Computer Science 2020-01-28 Songze Li , Mingchao Yu , Chien-Sheng Yang , A. Salman Avestimehr , Sreeram Kannan , Pramod Viswanath

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

Traditional blockchains cannot achieve the same transaction throughput as Web2, so their use cases are limited. Therefore, state sharding has been proposed to improve transaction throughput by dividing the blockchain network and managing…

Cryptography and Security · Computer Science 2023-09-06 Takaki Asanuma , Takeshi Miyamae , Yuji Yamaoka

Blockchain Sharding is a blockchain performance enhancement approach. By splitting a blockchain into several parallel-run committees (shards), it helps increase transaction throughput, reduce computational resources required, and increase…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-02-06 Yibin Xu , Jianhua Shao , Yangyu Huang , Tijs Slaats , Boris Düdder

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

The first obstacle that regular users encounter when setting up a node for a public blockchain is the time taken for downloading all the data needed for the node to start operating correctly. In fact, this may last from hours to weeks for…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-04-04 Matteo Bernardini , Diego Pennino , Maurizio Pizzonia

The scalability problem has been one of the most significant barriers limiting the adoption of blockchains. Blockchain sharding is a promising approach to this problem. However, the sharding mechanism introduces a significant number of…

Databases · Computer Science 2022-12-23 Yuanzhe Zhang , Shirui Pan , Jiangshan Yu

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

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

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 technology facilitates the development of decentralized systems that ensure trust and transparency without the need for expensive centralized intermediaries. However, existing blockchain architectures particularly consortium…

Networking and Internet Architecture · Computer Science 2025-11-04 Qi Xia , Hu Xia , Isaac Amankona Obiri , Adjei-Arthur Bonsu , Grace Mupoyi Ntuala , Ansu Badjie , Tienin Bole Wilfried , Jiaqin Liu , Lan Ma , Jianbin Gao , Feng Yao

Sharding is a way to address scalability problem in blockchain technologies. Ethereum, a prominent blockchain technology, has included sharding in its roadmap to increase its throughput. The plan is also to include multiple execution…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-05-19 Raghavendra Ramesh

State-of-the-art blockchain sharding solutions such as Monoxide, can cause severely imbalanced distribution of transaction (TX) workloads across all blockchain shards due to the deployment policy of their accounts. Imbalanced TX…

Cryptography and Security · Computer Science 2024-12-11 Huawei Huang , Zhaokang Yin , Qinde Chen , Guang Ye , Xiaowen Peng , Yue Lin , Zibin Zheng , Song Guo