I keep coming back to the idea of voting power being a two-factor algorithm
#utopian-io has a prototype of User Authority that is underway. Once they have some results and data exploring those results, they will probably make some pull requests for laying the groundwork in HF 21. Lead developer was @scipio, but I don't see any updates on this in the last month, so I don't know the current status. His intro post to the concept is at https://steemit.com/utopian-io/@scipio/userauthority-ua-explanations-applications-and-implications