WHAT IS AN EXCHANGE?
Digital currency exchangers (DCEs) or bitcoin exchanges are businesses that allow customers to trade digital currencies for other assets, such as conventional fiat money, or different digital currencies.
Exchangers are one of the key aspects for the operation of crypto currency. It is what lets you exchange electronic currencies for money and vice versa.
They are in every continent, country and city around the world, various types of exchangers. At some you can link your bank account to receive fiat currencies in exchange of your electronic currencies, some makes possible to have a MasterCard or Visa card which allows the automatic withdrawal at all ATM machines around the world where Visa or MasterCard is accepted
The Exchange receives your virtual currency, validate the transaction and exchange it for real money.
The Exchange is like your virtual Banking.