Customers of Barclays and Monzo have also been complaining of difficulty making deposits on exchanges, according to The Telegraph.
Derville Rowland, director general of financial conduct at the regulator, warned that investors could lose all their money.
Central bank digital currencies will one day be more "smart," and not merely digital versions of cash, Yao Qian said.
The Richmond Fed looks at if and when it may be beneficial for firms to issue a digital currency in a new brief.
The addition of Creative Artists Agency as a validator brings the video network closer to full decentralization, said Theta Labs CEO Mitch Liu.