All about Smart media token (SMT) in Steemit .
Smart Media Tokens
A new way for publishers to monetize their online content and community, based on battle-tested blockchain technology
It is a revolutionizing idea on online platform.
Little overview about SMT
https://smt.steem.io/
You have to go through below document to know everything about SMT
https://smt.steem.io/smt-whitepaper.pdf