Mukhamad Diva Mahardika Awaludin, et al. “Blockchain-Based Digital Diploma Verification Mechanism Using Smart Contracts and the Interplanetary File System (IPFS)”. Ambidextrous Journal of Innovation Efficiency and Technology in Organization, vol. 5, no. 03, Nov. 2026, pp. 678-89, doi:10.61536/ambidextrous.v5i03.933.