“Blockchain-Based E-Commerce Warranty System Using Non-Fungible Tokens (NFTs): A Smart Contract Framework for Fraud-Resistant and Transferable Product Warranties”. Journal of Interdisciplinary Science & Technology 1, no. 3 (October 17, 2026): 74–77. Accessed October 22, 2026. https://onlinejist.com/index.php/jist/article/view/33.