Discover what a national currency is, how it functions as legal tender, and its role in global trade and economic stability. Learn how currencies like the U.S. Dollar influence economies.

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

Fiat currencies are issued and regulated by a country’s central bank but are not backed by a commodity like gold. Fiat currency is a type of money that is created by a government and is not backed by ...

Traveling internationally can come with a lot of additional fees that quickly add up on your vacation. From foreign transaction fees to currency conversion fees, there are so many things to look out ...

It was issued by a sovereign authority. It was recognized as legal tender for settling debts. It was backed, formally or implicitly, by the trust in a nation’s economy and governance. But in 2025, ...

In a world of increasingly virtual human interactions, the idea of money is becoming more fluid than authorities find comfortable. China has officially outlawed the practice of exchanging virtual ...