well i thought it was a hardfork to a separate consensus, Pos fully, but in the last few weeks i'm realizing its MUCH more
read some of the articles dude, like the one linked above there on "ccfacts.com", it seems to break it down pretty good, had stuff even i needed more info on
ETH has SO many changes coming, it will be upgraded yes, but evolved might be moar accurate of a term hehe. it will be still the same coin tho, what you have now in ETH in amount will not change