If Bitcoin is king of cryprocurrency, then Ethereum is the king of all ICOs ,do you agree? Stella,neo and no other blockchain has hosted ICO than Ethereum.
It's true that Etherium is the king of all ICO and the most successful project/coins in the market today which is next to Bitcoin as being the king and pioneer of cryptocurrency market. There are coins/altcoins too that can compete with Etherium which has a good features too in terms of its blockchain technology.