Basically this is not a new one and there's a similar platform like harmony which already used this kind of idea and you can take a look at ferrum and it's called social media bounty reward or something else.
This just like you must create an account and then deposit some coins to your account to activate the feature and you can start your activity to earn from the platform.
If you are familiar with thunderclap and it's working like that. https://en.wikipedia.org/wiki/Thunderclap_(website)

But thunderclap already dead