The U.K.'s Financial Conduct Authority has written to bank CEOs over the risks of "facilitating financial crimes which are enabled by cryptoassets."
Hackers who stole personal information on 90,000 Canadian bank users have demanded $1 million in Ripple's XRP to not release the data trove.
Three South Korean banks are to be inspected over their compliance with new anti-money laundering rules for cryptocurrency exchange accounts.
Canada's Bank of Montreal will prohibit customers from purchasing cryptocurrencies using Interac debit cards, on top of an existing Mastercard ban.
A group of Japanese banks is planning to use Ripple's blockchain-based payments technology in a smartphone app aimed at general consumers.
It's not just America's biggest banks that are worried about cryptocurrency adoption, public filings show.
Cryptocurrency VC firm Digital Currency Group has confirmed an investment in bitcoin startup-friendly Silvergate Bank.
Swift has completed development work on its first blockchain proof-of-concept, and six global banks are about to put it through its paces.
Bank of America is emerging as one of the most active banks when it comes to filing patents over claimed innovations in blockchain and cryptocurrency.