SmartO (STO)
Earn 5000 STO: 1. Join SmartO on Telegram. 2. Refer 3 friends to the Telegram group 3. Ask about the project in Telegram Earn additional 2,500 STO: 1. Retweet SmartO posts on Twitter 2. Share SmartO posts on Facebook 3. Subscribe to SmartO on YouTube and like their videos