You're a PM for Meta's Payments Platform. How would you improve the platform and what north star metric would you use?

Focus on identifying specific pain points or areas for enhancement within Meta's Payments Platform, such as user experience, transaction speed, security, or integration with other services. Consider both user needs and business goals when proposing improvements. For the north star metric, select a single, impactful measure that aligns with your proposed enhancements—this could be transaction volume, user retention, or customer satisfaction. Be prepared to justify your choice of metric by explaining how it reflects the success of your improvements and drives overall business objectives.