1. Define and optimize product requirements and functionalities based on technologies such as Bitcoin, Lightning Network, UTXO, Nostr protocol, etc. 2. Collaborate with cross functional teams, including engineers, designers, and marketing teams, to develop and execute product strategies. 3. Conduct market and user research, understand user needs, position products, and optimize user experience. 4. Create and maintain a product roadmap to ensure that product development aligns with company goals and strategies. 5. Manage the entire lifecycle of the product, from conceptualization, design to release and maintenance. 6. Optimize product features based on data and user feedback to improve product performance and user satisfaction. 7. Understand and pay attention to industry trends and competitor dynamics to continuously improve products and maintain a competitive advantage.