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Sri Sutjiningtyas
Faculty of Computer Science, Universitas Nurtanio Bandung, Bandung, Indonesia
Computer Science & IT

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Exploring the Mechanisms of Efficiency and Scalability in Blockchain: A Qualitative Study of Distributed Ledger Algorithms in Decentralized Networks in Bintan, Riau Islands Dodi Setiawan; Sri Sutjiningtyas; A. Eka Hermia Fitrianingsy; Ronald Naibaho; Yusup Ridwan
West Science Information System and Technology Vol. 4 No. 02 (2026): West Science Information System and Technology
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/wsist.v4i02.3046

Abstract

Blockchain consensus mechanisms are critical for ensuring security, efficiency, and scalability in decentralized networks. This study qualitatively examines ten widely used consensus algorithms—Proof of Work (PoW), Proof of Stake (PoS), Delegated PoS (DPoS), PBFT, Raft, Proof of Authority (PoA), Hybrid PoW/PoS, DAG/IOTA, Hashgraph, and Tendermint—within the research context of Bintan, Riau Islands, Indonesia. Performance was evaluated through literature review and simulated network observations, focusing on transaction throughput (TPS), latency, energy consumption, and network stability. Results indicate that DAG/IOTA and Hashgraph achieve the highest throughput with minimal latency, making them suitable for IoT and enterprise-scale applications. PoS and PoA offer energy-efficient alternatives, while PoW provides high security at the cost of high energy usage. Hybrid PoW/PoS demonstrates balanced performance across multiple metrics. Qualitative analysis highlights trade-offs among energy efficiency, throughput, latency, and decentralization. These findings provide practical guidance for selecting consensus mechanisms according to network requirements, operational constraints, and sustainability considerations, contributing a consolidated perspective on blockchain efficiency and scalability.
Co-Authors A. Eka Hermia Fitrianingsy Dodi Setiawan Ronald Naibaho Yusup Ridwan