this topic os very timely, altough it is created as 2017. participating on ICOs is risky and safe at the sme time. It always depends on the project developer and the team. choosing it wisely is veru important as well as reading as many facts about the project. you cannot just join in an ICO right away without knowing important details ablut it.
Too many people jump into ICOs and get burnt. People need to do a ton of research on them, the team, the goal, if they are unique, etc. Otherwise they will be wasting away their hard earned money.