Review article

https://doi.org/10.31803/tg-20210205103310

Performance-Based Analysis of Blockchain Scalability Metric

Jyoti Yadav ; Department of Computer Science, University of Savitribai Phule Pune University, Ganeshkhind, Pune, Maharashtra 411007, India
Ranjana Shevkar ; PES’s Modern College of Arts, Science and Commerce, Ganeshkhind, Pune, Maharashtra 411016, India

Abstract

Cryptocurrencies like Bitcoin and Ethereum, are widely known applications of blockchain technology, have drawn much attention and are largely recognized in recent years. Initially Bitcoin and Ethereum processed 7 and 15 Transactions Per Second (TPS) respectively, whereas VISA and Paypal process 1700 and 193 TPS respectively. The biggest challenge to blockchain adoption is scalability, defined as the capacity to change the block size to handle the growing amount of load. This paper attempts to present the existing scalability solutions which are broadly classified into three layers: Layer 0 solutions focus on optimization of propagation protocol for transactions and blocks, Layer 1 solutions are based on the consensus algorithms and data structure, and Layer 2 solutions aims to decrease the load of the primary chain by implementing solutions outside the chain. We present a classification and comparison of existing blockchain scalability solutions based on performance along with their pros and cons.

Keywords

consensus; decentralization; latency; scalability; security; throughput

Hrčak ID:

253034

URI

https://hrcak.srce.hr/253034

Publication date:

3.3.2021.

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