Hello Community! I actually work at datum.network and I was very happy when I saw that there is a lot of discussion here. Everybody who's interested: feel free to join our Chat on Slack!
https://join.slack.com/t/datumnetwork/shared_invite/MjI0MjQxMDQyMzU2LTE1MDIyNzM0ODItZGUzMWE3NDBjMQ
I'm trying to answer to the questions you have here in the Forum.