Rabe, Markus, and Henrik Rainer Körsgen. “Multi-Layer Track & Trace System Landscape With Smart Contract Validation Instances”. Journal of Data Science and Intelligent Systems 3, no. 3 (July 17, 2025): 216–230. Accessed July 31, 2025. https://ojs.bonviewpress.com/index.php/jdsis/article/view/3384.