It's the 19th state to adopt the euro.

Establishing a gold-and-silver system creates problems in a modern global economy.

The causes of the rising dollar, and the winners and losers.

UK politicians say if Scotland becomes independent, it can no longer use the pound.

Kenya's M-pesa's system has revolutionized how its citizens carry and use money

A new exchange system could bring the currency rate closer to the black market.

The dollar continues to tighten its grip as the world's reserve currency.

The currency markets overseas economies took a tumble on Friday. Here's why the United States should keep an eye out — but not worry too much.

Right now, Bitcoin functions mainly among early Bitcoin adopters – who have pushed the currency’s value to a record level.

There will now be a direct trading link between the British pound and the Chinese renminbi — and that could be bad for the dollar.