If you really want to understand blockchain technology and invest in new projects, you definitely need to read the data security laws. I've seen so many Dapps that offer opportunities to free people, free data or create open markets. Cool, but the white paper doesn't say how to store these extremely private, sensitive data controlled by a highly developed set of international data security laws, does it? Data privacy on the blockchain is integrated with the underlying chain, or built in the top layer, which will create a huge market that is critical to expanding consumer-grade applications.