For participate on a ICO firstly you have to look on there team and there background and There road map. A project become success with his concept if the concept uniq and very useful then you can join the ICO but look on those matter.
Agreed with you
For participate on any ico at first we have to look on their team and their background amd also their Road map. Because Different ico has different background. Project must not successful all time. It's accident. You can participate any ico but you must know that about ico.