SoK: Public Blockchain Sharding

Fuente: arXiv
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Main Authors: Barat, Md Mohaimin Al, Li, Shaoyu, Du, Changlai, Hou, Y. Thomas, Lou, Wenjing
Format: Preprint
Published: 2024
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author Barat, Md Mohaimin Al
Li, Shaoyu
Du, Changlai
Hou, Y. Thomas
Lou, Wenjing
author_facet Barat, Md Mohaimin Al
Li, Shaoyu
Du, Changlai
Hou, Y. Thomas
Lou, Wenjing
contents Blockchain's decentralization, transparency, and tamper-resistance properties have facilitated the system's use in various application fields. However, the low throughput and high confirmation latency hinder the widespread adoption of Blockchain. Many solutions have been proposed to address these issues, including first-layer solutions (or on-chain solutions) and second-layer solutions (or off-chain solutions). Among the proposed solutions, the blockchain sharding system is the most scalable one, where the nodes in the network are divided into several groups. The nodes in different shards work in parallel to validate the transactions and add them to the blocks, and in such a way, the throughput increases significantly. However, previous works have not adequately summarized the latest achievements in blockchain sharding, nor have they fully showcased its state-of-the-art. Our study provides a systemization of knowledge of public blockchain sharding, including the core components of sharding systems, challenges, limitations, and mechanisms of the latest sharding protocols. We also compare their performance and discuss current constraints and future research directions.
format Preprint
id arxiv_https___arxiv_org_abs_2405_20521
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle SoK: Public Blockchain Sharding
Barat, Md Mohaimin Al
Li, Shaoyu
Du, Changlai
Hou, Y. Thomas
Lou, Wenjing
Cryptography and Security
Blockchain's decentralization, transparency, and tamper-resistance properties have facilitated the system's use in various application fields. However, the low throughput and high confirmation latency hinder the widespread adoption of Blockchain. Many solutions have been proposed to address these issues, including first-layer solutions (or on-chain solutions) and second-layer solutions (or off-chain solutions). Among the proposed solutions, the blockchain sharding system is the most scalable one, where the nodes in the network are divided into several groups. The nodes in different shards work in parallel to validate the transactions and add them to the blocks, and in such a way, the throughput increases significantly. However, previous works have not adequately summarized the latest achievements in blockchain sharding, nor have they fully showcased its state-of-the-art. Our study provides a systemization of knowledge of public blockchain sharding, including the core components of sharding systems, challenges, limitations, and mechanisms of the latest sharding protocols. We also compare their performance and discuss current constraints and future research directions.
title SoK: Public Blockchain Sharding
topic Cryptography and Security
url https://arxiv.org/abs/2405.20521