Nussir, N.A. , wahaab, N. abdul R. abdul . and Antar, S.T. 2025. Blockchain and its role in narrowing the banking sector Efficiency and effectiveness of banking services. International Journal of Innovative Research and Scientific Studies. 8, 6 (Sep. 2025), 1229–1235. DOI:https://doi.org/10.53894/ijirss.v8i6.9902.