The same holds true for NXT. Pooling has already begun and it will continue.
And Proof-of-Node becomes more interesting.Could you elaborate more on this?
What do you think about TaPoS?
Have a look at here :https://docs.google.com/document/d/1RLcjSXWuU9vBJzzqLEXVACSCdn8zXKTTJRN_LfoCjNY/edit?pli=1