Hi Friends,
For your own research for smart contracts:
https://en.wikipedia.org/wiki/Smart_contract
https://corpgov.law.harvard.edu/2018/05/26/an-introduction-to-smart-contracts-and-their-potential-and-inherent-limitations/
Blockchain Introduction: 
Join my telegram channel for Instant Update: https://t.me/joinchat/LYzlMdBiIsdmYjY1
▶️ DTube