"It will be feasible to introduce limits on the transactions from non-cash form into the digital rouble," Zabotkin said, adding that the central bank will stand ready to compensate for possible liquidity shortages when introducing the digital rouble.
The central bank first floated the idea of the digital rouble in October, citing the need to make payments more convenient.
If necessary, the central bank will launch a pilot programme that involves payment service providers and end users, BOJ Executive Director Shinichi Uchida said last month.
BNY Mellon's investment was part of a $133 million funding round that also saw participation from hedge fund Coatue Management, investment firm Ribbit Capital, growth equity firm Stripes and SVB Capital.
Fireblocks has a presence in Europe, Asia and North America, with customers including banks, neobanks, exchanges, hedge funds and market makers.
Gains in the greenback were more pronounced against low-yielding currencies such as the euro and the British pound while high-yielding currencies like the Australian dollar fared relatively better.
Monday's trading theme is a continuation of the pattern we have seen in March and we have to see what the Fed does later this week to see if the rise in bond yields and dollar strength versus low yielders can carry on.
The world's biggest cryptocurrency slipped as much as 6% to $44,451 before recovering most of its losses.
The sell-off echoed that in equity markets, where European stocks tumbled as much as 1.5%, with concerns over lofty valuations also hammering demand. Asian stocks fell by the most in nine months.
The company, whose Chief Executive Officer Michael Saylor is one of the most vocal proponents of bitcoin, bought the cryptocurrency in cash at an average price of about $52,765 each.
MicroStrategy, the world's largest publicly traded business intelligence company, spent last year steadily amassing bitcoin after making its first investment in August.
The company, whose Chief Executive Officer Michael Saylor is one of the most vocal proponents of bitcoin, said proceeds of the offering will be about $879.3 million.
MicroStrategy said on Tuesday it will borrow $600 million to buy more bitcoin, as the cryptocurrency surged past $50,000 in a rally fueled by wider acceptance among investors.
Central banks from the Group of Seven nations set out in October how a digital currency could function, though progress has been slow.
Access to central bank money beyond physical cash has so far been restricted to financial institutions. Extending it to the broader public would have major economic and financial repercussions.
The law will "create a facilitative framework for creation of the official digital currency to be issued by the Reserve Bank of India (RBI)."
The RBI had in April 2018 ordered financial institutions to break off all ties with individuals or businesses dealing in virtual currency such as bitcoin within three months.
UK fund manager Ruffer Investment Management has shifted around $675 million of its clients’ fortunes into bitcoin, an investor memo seen by Reuters shows.