But in this kind of situation, there will be no solution. There is no other way that we can use to stop scammers, the only thing we can do is to avoid every suspicious actions we can see or if we know that it was totally a scam. Scammers can't be stop since they will always make a way to scam people, we just need to learn not to easily believe in every promises they make.
This is indeed difficult, even the tricks of the scammers are getting tidier.
If it's like this, we need advice from others who are more experienced and understand the ins and outs of crypto. Make the consideration of experienced people as a brake so that we don't get provoked. Lots of websites and telegram channels that share analysis related to new projects, choose one with a really good assessment and is proven to be correct, such as
https://t.me/ico_analytic. But remember, we also have to have our own judgment, don't make it the main reference.
We won't be able to stop a scam like this. It will always appear at every opportunity. what we need to do is educate ourselves and others to be more careful and thorough before joining. Immediately report any suspicious projects, or visit the Scam Accusations board on bitcointalk for more information regarding dubious projects.