Currency

a currency is a very wide description of money all over the world .
And in every country there is a specific currency of money .
In America there is the dollar but in Europe there is the euro so here is a small list of many currencies around the world.

Euro : Europe

Dollar  : America 

Yen : Japan

Pound: UK 

Peso : South-america 

When traveling 

When traveling make sure you bring enough money for that country both their currency and yours.
Be sure to be prepared for any things that might happen like theft , loss so always have a decent amount of money in your hotel not too much of course .