Conventional wisdom has it that bitcoin's underlying technology, called the blockchain, will revolutionize electronic commerce, banking, and financial transfers. But is it possible that a different technology, called hashgraph, will actually be at the center of the coming revolution? Leemon Baird, the computer scientist and serial entrepreneur behind hashgraph, explains what the technology is, how it differs from blockchain, and how it could change the world. Filmed January 22nd, 2018 in Dallas.