There are many fake teams and fake projects. Ico, ieo, sto doesn't matter to those who cheat. They will cheat. If you doubt whether the project is fake, you can check the IEO. Those who give birth to fake project will have some mistakes in their project plan or project proposal. So if you are an investor then you will be warned. You need to know the internal issues of the project. You can search on goggle about IEO and STO of the project. Then you can know what the project is going to do. However, many sto and ieo projects are also fraudulent. For example, most of the fake projects of 2018. So, you have to be careful.