1. Developed and implemented standardized operational indicators based on the AARRR operational model, resulting in improved measurement of costs and revenues.2. Created regional market data boards that supported localization strategies by including multi-dimensional metrics such as competitor products, user growth, and revenue metrics.3. Led front-end data collection and analysis using Sensorsdata and provided recommendations for product optimization.4. Participated in user attribution classification and built a system to tag users according to their registration sources, resulting in refined placement strategies.5. Successfully introduced Google Analytics to capture external user information, contributing to improved data-driven decision making.6. Managed data products and analytics for the NFT team, supporting financial management and other business data analytics.7. Conducted on-chain data analysis, including user address tagging for mainstream coins and deposit/withdrawal data analysis, resulting in better understanding of the net value of each mainstream exchange.