Goldman's Blankfein Says He's Not Worried About Cryptocurrencies in Systemic Way

The speaker addresses concerns about cryptocurrencies, comparing their adoption to past technologies like cell phones. They discuss the evolution of money from gold to fiat currency and consider the potential for consensus currencies. While personally not invested in Bitcoin, the speaker acknowledges the possibility of its success and emphasizes the importance of considering both sides of an argument.

In what way does the speaker suggest that a consensus currency could be established?

What is the speaker's stance on owning Bitcoin and why?