Optimizing Academic Certificate Management With Blockchain and Machine Learning: A Novel Approach Using Optimistic Rollups and Fraud Detection. - Khoa Tan Vo; Khanh Pham 002; Phu Huynh; Mong-Thy Nguyen-Thi; Thu-Thuy Ta; Anh-Thu Nguyen-Thi; Tu-Anh Nguyen-Hoang; Ngoc-Thanh Dinh; Tri Hong Nguyen (IEEE Access, 2024)