It's a pyramid scheme. No business here! The profit comes from new members and no service is provided.
in practice only the top of the pyramid earn something, the others if they want to get something, they have to introduce 4 people to obtain a minimum profit :O
in short, no investment method but a simple pyramid scam.
Imagine: there is cryptocurrency users and even TRON in USA in Europe asia and so the earning potential is huge.
With one Facebook account you can get friends up to 5000 Even If just few if them will join 100-200 you make 100-200x300trx and when you join with cryptocurrency groups and communities you could get more people who can join Under you and tron deflaton will push the price up and huge buying demand aswell becouse of all those investors who want to invest and earn by inviting others in.
And it's easy you get your business number you just post it and If anyone want they just join Under your business number and you get paid instantly 70%