On Saturday, April 21st, 2018 the St. Louis Federal Reserve Bank Tweeted, "In a possible future, cash disappears and central banks issue electronic money for all" https://twitter.com/stlouisfed/status...
The bank's Tweet cited a research paper entitled, "The Case for Central Bank Electronic Money and the Non-case for Central Bank Cryptocurrencies" https://research.stlouisfed.org/publi...