The idea of a metaverse is not new. What is new is the extent to which the lines between the physical and virtual worlds have now blurred.This change in the way people live their lives holds immense opportunities - as indicated by the news of Facebook, one of the world’s largest companies, rebranding to Meta.An obvious question is: what will the currency be in Mark Zuckerberg’s metaverse? For years Facebook has been trying to develop and launch its own digital currency - then called “Libra” and now called “Diem.”.