Forward thinking central banks, including Bank of England and the People's Bank of China, have discussed issuing their national currencies on a sort of distributed ledger. Research suggests such a move could add as much as 3% to a country's economic output.
It would also create a standardized way of recording transactions that would allow all the players in the system to communicate more seamlessly. “There is currently a whole industry set up to reconcile and audit all these separate ledgers, and you can’t easily connect them,” she said. “This comprehensive shared data source could be a real benefit.”