When there was a rise in bitcoin, the amount of investment through ICO also increased. I think that as soon as growth resumes, new investment will immediately increase.
It is good for the cryptocurrency startups. Soon they can start ICO to collect money. Many projects posponed ICO because a difficult market conditions. And it will be more simple to develop the existing projects.
It is possible, of course, that with rising prices, activity in such projects will increase. But for real projects there were no obstacles in development. A vivid example of proper development is OPTHERIUM.