Central bank digital currencies would largely benefit countries if they work together to eliminate traditional banking frictions, a research note said.
The Fed chairman spoke at a virtual payments conference hosted by the Basel Committee on Banking Supervision.
The central bank will begin digital currency experiments later this spring.
Russia's central bank told CoinDesk that over 80% of feedback on the digital ruble was supportive of the project.
The Seoul-based bank built the blockchain-based platform in preparation for a role as intermediary should a digital won be launched.
“We cannot be left behind,” Brown wrote about other nations’ central bank digital currency efforts.
The CBDC platform will be powered by the same blockchain technology as Ripple's public XRP Ledger.
A CBDC could promote financial inclusion but also poses a risk of harming the banking system, the RBI said in a report.
The first transaction using "DCash" was conducted at a supermarket in Grenada on Feb. 12.
The project will explore the capabilities of a DLT-based central bank digital currency in regional payments.
Carney has argued for a digital replacement to fiat, amid the U.S. dollar’s waning hegemony.
Although bitcoin was banned for use in Morocco four years ago, the cryptocurrency continues to thrive there.
The Bahamian Sand Dollar can now be used for payments anywhere Mastercard is accepted.
"Shadow economy" participants, those who use deal mostly in hard cash for anonymity's sake, are unlikely to be drawn to using a CBDC, according to a Reuters column.
Sweden's Riksbank said it would continue work with Accenture on a potential e-krona digital currency until next year.