You mean like a $30 billion market cap? [0]
Afaik not all blockchain implementations profit from ASIC hardware, some even actively discourage ASCI use by making ASCI hardware use not efficient, like Monero [1], could be that Ethererum does something similar.
[0] https://cryptocoincharts.info/coins/info
[1] https://monero.stackexchange.com/questions/47/is-monero-amen...