The vision of Blockchain technology was to create transparent, digital cash -- currency that is not mediated by banks, governments, or tech companies. But when speculators moved in, cryptocurrencies like Bitcoin became volatile commodities in an unproven market, and a target of media sensationalism. But if the dream of scarce, digital currency can weather the current speculation storm, its ramifications are revolutionary. So much so, that crypto may pose a serious threat to how we conceive of the nation state, and what governments are actually capable of regulating. That is, if people actually take the time to understand it. Will Blockhain ever find the "killer app" that takes it mainstream? And what other transformative uses are on the horizon?