The IEO is an acronym for the phrase Initial Exchange Offering, a from of crowfunding via token offering on Crypto trading floongs.
If with ICO, you will buy token directly from the project. Buy with the IEO, the token will be sold on a certain exchange and brother who wants to invest can go there to buy it.
Theoretically, the token procvided by the IEO method on floor A may or may not be listed on floor A after the sale in complete.
However, in most cases I observe, the token sold by the IEO on the floor will usually be listed on the floor.
That's why IEO project sold on the Binance LauchPad are highly anticipated.
Simply because everyone expects that every currency listed on Binance will "pump"