When you travel to different countries, each country has its own native currency to use. In order to spend in the U.S., we need U.S. dollars, and if we are in India, we need Indian Rupees (INR). In order to do that, in most countries that is actually really easy though because there’s already a system set up where you can go to a transfer exchange or a bank, and exchange your USD easily for INR or other native currencies.Transfer exchange or a BankBut what do you do when you want to trade you...