Here are the facts or tips for us to know if the ico is scam:

- If they have no clear website
- The whitepaper must be informative and realistic
- The team or the owner/developer are not transparent or anonymous
- Sometimes the allocation budget is very deceiving something like that.

BTW now i should buy ICO coin or buy coin on exchange?

- It is much better to buy in the exchange rather in ico, You know why?
  It is because once you buy in the exchange, immediately you can do trade anytime you want.
  unlike in the ico, you can only able to play trade when their ico project ends or finish.