[bergstromm466]

> aren't any really good open-source tools to 'solve' data privacy

The most exciting project I've found so far, who are working on this, is a project called Ceptr, who have open sourced a pattern called Holographic chain. It uses validation rules and open app logic to create completely distributed apps. Each user holds onto their own data. It is often called Protocol Cooperativism (close to Platform Cooperativism) You can find more about it in this medium post by one of the core contributors:

"It's a framework for writing fully distributed peer-to-peer applications. It is like a decentralized Ruby on Rails, a toolkit that produces stand-alone programs but for serverless high-profile applications." [1]

[1] https://medium.com/holochain/holochain-reinventing-applicati...