Ukraine's central bank has expanded the group of people working to move the country's national currency to a blockchain.
The governor of the Bank of France has warned on the risks of investing in bitcoin, calling the cryptocurrency "speculative."
Decentralized currencies could have "spillover effects" on the wider financial system if they get too big, Fed supervision chief Randal Quarles said.
European Central Bank board member Yves Mersch has said banks need to launch instant payments systems to counter the rise of cryptocurrencies.
Russia's central bank warned against investing in cryptocurrencies in its annual Financial Stability Report released Tuesday.
A former executive of the National Depository of Ukraine left because of politics, but found "game-changing" opportunities in blockchain.
The European Central Bank's Ewald Nowotny has said that China's recent crackdown has brought new focus on cryptocurrency regulations.
A new report from the Monetary Authority of Singapore details the second phase of its "Project Ubin" blockchain project.
A deputy director from the Central Bank of Iran is reviewing the country's cryptocurrency policy amid a wider fintech push.
Brazil's central bank is now moving to increase the quantity of its blockchain work – months after abandoning the effort.