To choose a bounty campaign, I advise you to look at the status of the manager on this forum. The higher the status, the more reliable. This does not give a 100% guarantee, but most of the scams come from managers with the status of Newbie.
See the ICO rating on sites such as ICOBench and others. Do not join companies with a rating below 60% (3.5 on ICOBench).
Do not join the company from any managers from Amazix.
P.S. In choosing a bounty, this free table can help you:
https://docs.google.com/spreadsheets/d/19fLkDCH0E4uOrYlgqAVixmCIOGupLl8cLRlwttvXsT8/edit#gid=0Your tips are correct, but confusing is one-why can not we join campaigns with bonuses run by Amazix managers? In the end, they have many successful projects, which they lead.