Research on blockchain scalability based on sharding strategy

Xin Su Mei; WenJing Guo; Zhu Liu; Yu Min Liu; Wen Jing Li; Pei Yao Zhang

doi:10.1117/12.2667350

28 March 2023 Research on blockchain scalability based on sharding strategy

Xin Su Mei, WenJing Guo, Zhu Liu, Yu Min Liu, Wen Jing Li, Pei Yao Zhang

Proceedings Volume 12566, Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022); 1256640 (2023) https://doi.org/10.1117/12.2667350
Event: Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022), 2022, Chongqing, China

Abstract

The emergence of cryptocurrencies has promoted the development of blockchain technology. However, due to the low performance and poor scalability of the blockchain, it is difficult to apply the blockchain technology to production. Analysis of its essential reason is mainly caused by the distributed consensus protocol. Distributed consensus protocols provide data transparency, integrity, and immutability in a decentralized and untrusted environment, but good security greatly sacrifices scalability. In order to improve the performance and scalability of the system. This paper first improves the Byzantine consensus protocol and improves the throughput of a single shard; on this basis, an efficient shard formation protocol is designed, which can safely assign nodes to shards. This paper relies on trusted hardware (SGX) to achieve consensus and sharding protocol performance improvements. Second, we design a transaction protocol that ensures transaction security and flexibility even when the transaction coordinator is malicious; finally, our research is extensively evaluated on local clusters and on Google Cloud Platform. The results show that the consensus and shard formation protocol in this paper outperforms other advanced solutions in scale and can well scale the blockchain system through sharding and consensus formation protocol. More importantly, the scalable blockchain system based on the sharding strategy proposed in this paper achieves high throughput and can handle Visa-level workloads.

Citation Download Citation

Xin Su Mei, WenJing Guo, Zhu Liu, Yu Min Liu, Wen Jing Li, and Pei Yao Zhang "Research on blockchain scalability based on sharding strategy", Proc. SPIE 12566, Fifth International Conference on Computer Information Science and Artificial Intelligence (CISAI 2022), 1256640 (28 March 2023); https://doi.org/10.1117/12.2667350

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KEYWORDS

Blockchain

Databases

Design and modelling

Data modeling

Telecommunications

Failure analysis

Systems modeling

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