Hugging Face's blog post discusses Owkin's Substra, a framework for creating privacy-preserving artificial intelligence. Substra allows developers to build AI models that protect sensitive data by using differential privacy and federated learning techniques. The framework is designed to be modular and scalable, making it suitable for large-scale applications. --- Why it matters: This matters because it enables the development of trustworthy AI systems that can handle sensitive information without compromising user privacy. Source: https://huggingface.co/blog/owkin-substra