Wow, this thread was made last year before the IEO boom. I think the ICO era has ended since the beginning of 2019 and all investors went to invest in the IEO. ICO has been considered unsafe by most people because it only creates new scammers in the future. Well, now we just wait until the IEO's heyday ends like ICO, I think there will be a lot of better new fundraising methods in the future.
Although the ICO has been abandoned yet I think the IEO method is less effective as well, because the developers only choose a small market to raise its funds, if they choose a large market like Binance will surely quickly depleted the tokens that want to Sold.
ICO is not focused like IEO, calling for capital by selling tokens through exchange brings a lot more attraction. Since projects that are sold on large exchange are real projects