Exploring the Mechanisms of Efficiency and Scalability in Blockchain: A Qualitative Study of Distributed Ledger Algorithms in Decentralized Networks in Bintan, Riau Islands (D. Setiawan, S. Sutjiningtyas, A. E. Hermia Fitrianingsy, R. Naibaho, & Y. Ridwan, Trans.). (2026). West Science Information System and Technology, 4(02), 184-190. https://doi.org/10.58812/wsist.v4i02.3046