Based on output here: https://docs.google.com/spreadsheets/d/11S4Hc4ky50lClzfn74f8B3MqqHB9_YRTEvEjBkOX634/edit#gid=649117397
Do we need a postgres database? Or keypair store? Something else?
Produce schema if necessary
We need a pretty picture, please :) - embed in an .md