the crypto currency. joe lubin joins us at post nine. good to have you for those who don't know, you want to explain ethereum and how it fits in the crypto kerr aengs universe >> 2008, they invented three things, one was the bitcoin application, the money, the payment cystment, store value. that application was the first application built on the second invention, the block chain, the block chain is a shared trust worthy infrastructure that lots of different actors can use and be certain that no minority set of actors can cheat the system, basically. the third is cryptoeconomics, which marries the first two. it enables incentivization of a whole lot of people to run these systems. enables a system like bitcoin to be of the people, by the people, for the people so ethereum took that second invention, the block chain, the trustful infrastructure, and enabled software developers to