As a Ph.D. candidate in artificial intelligence, I am relatively new to blockchain technology. Recently, I noticed BitTensor ($tao), which is known to be a prominent player in the Blockchain+AI field., and surprisingly, with a total market value of around 10 billion dollars. Such a large amount far exceeds a lot of AI unicorns. This raises my curiosity about BitTensor. What does it do? How can it foster AI applications on chain? To fulfill my curiosity, I start to study this project, more fro...