From hidden magnetic fields to the way ink bleeds across the paper, WSJ sits down with a leading currency expert to explore the techniques used to prevent counterfeiting and forgery.

Prepare to break open your piggy banks. If you have a large amount of change just lying around, you just might have something ...

Coin collecting is an understandably popular hobby. Not only do you get a chance to invest a piece of history, but you'll ...

You're visiting another country and making a purchase with your credit card. Then, the credit card terminal asks if you'd like to pay in U.S. dollars or in the local currency. This might sound like a ...

But there are also lesser-known coins that can fetch a lot of money on the collector’s market. Many are Lincoln pennies you might not think twice about if you found one in your loose change.

Insights, news and analysis of the crypto market straight to your inbox ...

Electing the new boss of the Olympics first required a grandly titled "sacred pilgrimage" to ancient Olympia - to pay homage to the birthplace of what's become a multibillion-pound behemoth.

You will unleash an explosion of economic growth.” “With dollar-backed stablecoins, you will help expand the dominance of the US dollar for many, many years to come,” the president continued.