At Fortune Brainstorm Tech 2019, Dominic Williams, Chief Scientist and Founder of DFINITY and Joseph Lubin, Founder and CEO of ConsenSys and Co-Founder of Ethereum, discuss the evolution of Web 3.0 and how developers will rebuild the internet by using the Internet Computer to take on Big Tech and create open versions of popular internet services. Joseph Lubin, Founder and CEO, ConsenSys; Co-founder, Ethereum Dominic Williams, Founder and Chief Scientist, DFINITY Moderator: Jen Wieczner, FORTUNE