Introducing a digital euro would represent a "fundamental shift" in the eurozone's financial architecture, Governor Gabriel Makhlouf noted.
Rakiya Mohammed, the bank's information technology director, revealed the date during a private webinar on Thursday.
Global stablecoins "may bring risks and challenges to the international monetary system," said PBOC's Fan Yifei.
Cryptocurrencies are "speculative assets rather than money" used in many cases to facilitate financial crime, the central bank organization said.
The president's speech follows El Salvador's adoption of bitcoin as legal tender.
If the BCRA confirms its suspicions, it will initiate criminal complaints against the companies.
The paper focuses on the effects of private stablecoins on the cost and availability of lending and the challenges for monetary policy.
Derville Rowland, director general of financial conduct at the regulator, warned that investors could lose all their money.
The move is said to be an attempt to stop capital flight from Iran.
The bank had previously stipulated only digital assets for import funding could be used by itself and no one else.
The greenback has something else going for it cryptocurrencies don't: the bond market, notes Marc Chandler.
CBDCs could facilitate central bank stimulus in the form of money drops, and lead to higher inflation, says BofA.
The overall program's size was left intact, along with the March 2022 end date, but the pace of stimulus is now set to increase.
The CBDC platform will be powered by the same blockchain technology as Ripple's public XRP Ledger.
The window of opportunity for investors to cash out to fiat is expected to be between three and six months.