Personally , I don't think there should be an ICO without whitepaper. The whitepaper bridges the gap between an investor and a company. Can we say a ICO without a whitepaper is a scam? Or what can you say about an ICO without whitepaper
I think an ICO does not have to have a white paper, because according to me it is only as a medium to explain about a project. as long as there are other media that explain their project, there is no white paper that is not a problem.