With proper study, by making your time valuable and studying a lot of things, it will make you confident and can easily say no to scam project and I have seen this to some expert people I introduced a project to them to have a look at it but after scanning they can easily say to me that it was a scam, I told them that ' NO ' it's not a scam as it has office, real product etc etc, and they explained to me why, then after few months they were really right.
If it would be so simple to avoid fraud in the cryptocurrency market, then this topic would not be so relevant today. As a rule, more fraud is received by ordinary cryptocurrency users who invest their money in new projects, rather than large whales who possess large volumes of the highest rated cryptocurrencies, which do not raise doubts about future prospects.