You should groom yourself first. Make it as neat as possible. Then try to talk to her in a normal way and always wear your smile. Figure out her interest then talk about it like you have same interest. Then create trust and friendship relation then ask her out if the right time comes.
Most of them have the same purpose and that is to make more profit but there is some people who uses ICO to introduce their businesses, for branding, for savings, for new development, to generate a stable income and to develop their countries technology. Who knows their are also big people who controls all these new ICO for their other goals.