Explore a 27-minute conference talk that delves into the innovative use of blockchain and cryptography to create privacy-preserving and inclusive financial services. Learn how the combination of distributed ledger, smart contracts, cryptography, and Trusted Execution Environment (TEE) technologies enables secure "data renting" and joint computation without exposing raw data. Discover how Points' network has connected over 2 billion data items for secure data collaboration, and examine a real-world case study involving China's Zhongyuan Bank. Gain insights into how blockchain-based data infrastructure can facilitate cross-platform joint data analysis, improving risk assessment and targeted marketing for underserved populations in rural areas.