If you look at blockchain systems like matryx. Matryx is a blockchain system that creates an environment where all the brain power in the world is put together on one task, problem or idea. In the past if we had a problem only an small amount of authorized people where aloud to work on this idea. Now with this technology an problem that took several months to solve by a small group of people , can be done in a couple of seconds by the whole world. My point being things are now growing exponentially , so I recon about 5 to 10 years for A.I to be at our intelligence or just under it.