an anonymous team means they are afraid their identity is known because if they make a mistake or fraud will be reported by law. I suggest you do not make any deposits because this is risky.
It is risky to invest in something in which you don't know anything about the team. If you think about it when dealing with businesses offline, you would have to know who are the person you are transacting with so that you will know who are accountable in case something happens with your investment. Having an anonymous team behind an ICO does not automatically mean that they are a scam but you have to think why they want to be anonymous if their attentions to have a business is legit.