Like any get-rich-quick scheme, bitcoin scams thrive on the gullibility of its victims. Just because it's a digital currency doesn't mean you can acquire wealth quickly.
this is a potential risk so potential in the case of a scam. yes, some ico is very potential on scam element. it's hard to tell the difference with a really good ico for now. sometimes experienced managers participated fooled. so, in essence we should be more vigilant and always make research in advance in any speculation in crypto