I answered in other threads here, e.g. https://news.ycombinator.com/item?id=27770605 https://news.ycombinator.com/item?id=27770605 Largely this question comes

I answered in other threads here, e.g. https://news.ycombinator.com/item?id=27770605 https://news.ycombinator.com/item?id=27770605 Largely this question comes back to decentralization, trust, and a novel paradigm of digital ownership that is enabled by elliptic curve cryptography and blockchain tech. The blockchain acts as a social consensus mechanism - we can all agree that "X public key owns Y unique token" - which is not the case with a centralized database record that can be mutated, or a file that can be easily copied/edited and shared.