The future will definitely include more and more elaborate proofs of humanity, along with increasingly complicated “hall passes” to allow bots to perform actions sanctioned by a human.

One early example of this line of thinking: https://world.org/

Skyrocketing complexity actually puts the web at risk of disruption. I wouldn’t be surprised if a 22 year old creates a “dumb” network in the next five years—technically inferior but drastically simpler and harder to regulate.