Dr. Wai-Keung Wong. “Oracles and External Data Integration: Analyzing Oracle Solutions for Integrating External Data (e.G., Real-World Events) into Blockchain-Based Smart Contracts and Applications”. Journal of Artificial Intelligence Research and Applications 3, no. 1 (June 30, 2023): 1–8. Accessed July 5, 2024. https://aimlstudies.co.uk/index.php/jaira/article/view/80.