The book explores comprehensive demonstration of the performance analytics following the implementation of the authentication and fraud detection system strategies. These evaluations are based on different performance metrics such as accuracy, true positive rate, true negative rate, precision, g-mean, f1-score and receiver operating characteristic curve. This book highlights effectiveness of the implemented authentication and fraud detection system based on their performance statistics. Additionally, it explores the limitations and social impact of the developed online transaction system, offering insights into potential areas for future research.