Analyze the impact of AI on fraud detection in eCommerce by comparing traditional methods with AI-driven solutions. Focus on [SPECIFIC AI TOOLS], [FRAUD TYPES DETECTED], and [COST SAVINGS]. Provide a detailed case study on how [COMPANY NAME] implemented AI to reduce fraud by [PERCENTAGE]. Include metrics like false positives, detection speed, and scalability. Highlight challenges such as [DATA PRIVACY CONCERNS] or [ADAPTATION BY FRAUDSTERS]. Conclude with future trends like [REAL-TIME ANALYSIS] or [INTEGRATION WITH BLOCKCHAIN]. Use industry benchmarks and cite at least [NUMBER] reputable sources.