Have you seen this post yet on SMTs?
https://steemit.com/ned/@steemitblog/ned-scott-and-theoretical-of-steemit-explore-oracles-on-steem
This one ☝️
It’s all about SMT Oracles as described by me and 
This is the video embed, in case that’s more your thing👇
Enjoy!
— Ned
p.s. find more on this subject at SMT.steem.io