You need to say that some of them will have strong positions in the future, some of them will fail and many will be in the middle. Blockchain technology will conquer the world one day, but not all start ups have a great future. Not because they are bad, it`s because many more will come, more better in every way. This is a young technology, start ups needs to work a lot on upgrading, developing, start ups with strong team behind have more chances for that. Now market is flooded with too many projects, in few years we will see who will survive from all of them, that`s why investing in icos is pretty much like gambling, except if you conduct a deep research you can find teams that have knowledge and will to carry everything trough hard times. So be careful when investing in start ups, try to inform yourself as much as you can before you do it.