IEO is very popular this year in 2019. All the exchanges are working on the events to attract more customer users. An IEO always give away new project tokens to the users who participant their IEO events. Huobi created HT with IEO for example. Now they work on token shrink, which is good to increase the single token price by reducing the total amount of the tokens. It is brand new game. People earn and people lose. Which side are you staying by?