While the technologies being used may be new, the idea of a World Currency has been around for awhile. Discussion of this at the IMF has gone on for years. An example would be this 2009 IMF blog ...

A pile of money from around the world -- currencies of the U.S. (dollar), U.K. (pound), and Europe (euro). Creative Commons photo courtesy flickr user Images_of_Money. Paul Solman answers ...

Imagine a single currency, all around the world. No more converting between Dollars and Euros and Pounds, the money in your wallet is your ticket to ride anywhere.

“It is literally the most stable currency in the world, and it has been since 2009,” he said. The chart on the left shows the volatility of the dollar (blue line) compared to the Ven (green line).

The answer is no, but the reason has little to do with the tariffs.

Is a World Currency Realistic? July 11, 2007 6:00 AM ET. Heard on Morning Edition. Is a ... And this link only broke down for good around the world in 1971, ...

Digital currency is any currency that’s available exclusively in electronic form, ... Around the world, other countries are a little further along with digital currencies.