Seriously speaking scams are all around us and we need to outrage them or say avoid them with our experience.This article is really helpful and deals with technical aspects and provide us guidelines for how to be safe from them.Some ICO looks promising and bold but they are mere fake projects in reality formed by the scammers to collect money from peoples.So we need to understand that we ignore scam mails,twiiter accounts or any such thing which offers something without any cost.You need to investigate throughly like background of team,white paper,objective,market cap and other neccesary details of the project.