Randal Quarles, the Federal Reserve official who oversees Wall Street, says central banks are a long way off from embracing cryptocurrencies as a means of paying for things. https://www.bloomberg.com/news/articles/2017-11-30/guess-who-s-not-joining-bitcoin-revolution-fed-s-bank-watchdog?cmpid=socialflow-facebook-business&utm_content=business&utm_campaign=socialflow-organic&utm_source=facebook&utm_medium=social