The Wall Street Journal's report touched on the issue of complexity, noting that digital currency is a "game-changing development [that] could have a profound impact on the banking system" despite the fact that "few people still understand it."

The outlet noted:

"Central-bank digital currency" doesn't exactly roll off the tongue. But you might want to get used to saying it. These so-called CBDCs, or digital versions of dollars, yuan, euros, yen or any other currency, are coming, say those who study them. And depending on how they are designed and rolled out, their impact on the banking system could be profound.

"One hundred and fourteen countries are exploring digital currencies, and their collective economies represent more than 95% of the world's GDP, according to the Atlantic Council's Central Bank Digital Currency tracker," the WSJ reported. "Some countries, including China, India, Nigeria and the Bahamas, have already rolled out digital currencies.