Sometimes it seems hard to filter all good ICOs from the skams. Here are some tips:
1. search the team, search for previous project of the founders/ team and see what their efforts have been.
2. Go for a good concept,go for unique and valuable projects
3. Try to understand the market that they are trying to reach.
4.Evaluate the technology. Ventures with proofs of concept and pilot case studies are often safer bets.
5.Look at the whitepaper. These are the pitch to potential investors. They should be well written.