Free Cities Podcast 147 - Jeff G: Privacy and the Architecture of Freedom
4 snips
Sep 12, 2025 In this insightful discussion, Jeff G, a Nostr developer specializing in privacy tech, shares his expertise on secure communication through White Noise. He delves into the limitations of popular messaging platforms and the importance of metadata privacy. The conversation touches on the relevance of Bitcoin and eCash in enhancing personal security along with the potential of mesh networks. They also explore the balance between innovation in AI and the need for stringent privacy measures, painting a picture of a decentralized, freer internet.
AI Snips
Chapters
Transcript
Episode notes
Climbing El Capitan From Yosemite
- Jeff lived in Yosemite Valley and climbed El Capitan multiple times using different routes.
- He describes El Cap as a kilometer-tall wave of granite that's beautiful and demanding.
Adopt Group-Oriented Encryption
- Use MLS-style cryptography for large private groups instead of pairwise encryption.
- Move from linear to logarithmic group key structures to make private groups scale efficiently.
Metadata Can Be More Sensitive Than Content
- Metadata often leaks more sensitive information than message content.
- Protect who talks to whom and when, not just the message text.