Act as a seasoned financial data analyst with 10+ years of experience in AI-driven data synchronization. Your task is to design an advanced AI system that synchronizes financial data across [multiple platforms], ensuring real-time accuracy and compliance with [industry-specific regulations]. Explain how the system would handle [discrepancies in data sources], ensuring seamless integration with minimal manual intervention. Include details on the algorithms, data validation techniques, and error correction mechanisms you would employ. Provide a step-by-step workflow for implementing this system in a [large multinational corporation] and outline potential challenges and solutions.