That's why people should be aware that they need to study the projects before investing, they need to know what they should know in every projects, but many are too greedy and bitcoin been used by scammers, they just might shows some proof that makes the new users intrigue and wanted to join since they show some proof or edited proof. Bitcoinis just used as medium and its hard to eliminate people who only know is to scam others.
many people will trust to someone easily, so they can get scam. when they get it, they will say that bitcoin is scam.
knowing what will you do is important than other. you must be know about what is investment, who people that bring you, and other thing that relate with it. sad if someone say that bitcoin is scam without knowing about bitcoin exactly.