Not all ICO projects are scams, you have to be more carefull in choosung the good project. If you experience failure once in ico project it does not mean that all projects will failed you instead you must be more smarter and try to study their project first before you join. Fake or scammed projects cannot detect easily thats why we need to be more wiser  and hope those who trickster will think that there are people who gives their effort just to earn money.