It's very serious. There's a few people working on it. Mike Carson is leading the project. 2013 Bitcoiner with over 10 years in traditional domains. Park.io
Here's the github:
Documents: 
GitHub
Spaces Protocol
Scalable & Permissionless Bitcoin Identities. Spaces Protocol has 11 repositories available. Follow their code on GitHub.

Spaces Protocol
Scalable & Permissionless Bitcoin Identities