Adtiya, W., Syahputra, H., & Wirawan, N. T. (2026). Design Of A Layer-Layed Security System For Jewelry Vaults Utilizing A Time-Based One-Time Password (Otp) Algorithm Using Fingerprint And Microcontroller-Based Telegram. Journal of Computer Scine and Information Technology, 10(4). https://doi.org/10.35134/jcsitech.v10i4.157