As everyone knows ICO's are good for startups seeking to raise investment for their products. Nowadays IEO slowly gain popularity. Still i am confused which one is effective enough.
Also is it necessary to use Blockchain technology for raising ICO investment?
ICO and IEO are all ways to seek for funds publicly to develop a project. They both serve the same purpose but ICO has been less effective because of its loopholes taken advantage of by fraudulent developers. IEO plugs these defects and offer confidence to investors, that is why its most popular now