U. H. Yulianti, Y. I. Tanjung, U. Rahardja, N. Lutfiani, and A. Valerry, “Integration of IoT and Blockchain for Business Data Security”, BFRONT, vol. 6, no. 1, p. 62∼73, May 2026, doi: 10.34306/b-front.v6i1.1040.