All i earned free in various campaign. Now going campaign of Vaulta Giveaway. Binance Learn&Earn and Binance Academy LearnandDiscuss campaign.
All this free event give you opportunity grow small amount of your portfolio slowly.
Now campaign is #LearnAndDiscuss .
Is about the history of Bitcoin when 2 Piazzas bought by 10000$BTC .
You need make post about this they will give you 0.001$BTC you your post got engagement and took place in top.
If anyone need help about any free campaign just inform me.I'll guide you.