The phenomenon of the ICO (Initial Coin Offer) exploded at about mid-2017 and since then there have been many scams that have deceived many people, who will hardly see their money again.How could be possible to protect ourself against such ico scams? In addition to common sense, how to do?Based on my studies about the startup world and my experience in the ICO field, i created a path of objective considerations to get to formulate a series of guidelines useful for our purpose.