Personally, I believe that everyone can fall into the hands of scammers. And man is a creature that can be wrong. But a beginner just has a better chance of falling into the hands of scammers, and so you need to be very careful. For the future, I want to say that if a person decided to do cryptography, then he should already understand the essence of this serious issue.
We need some king scam study. These post really does help for those people who read them . Just to have experience and be aware of the scams out there. Those schemes change all the time, but basics are the same. Just be safe out there.