In America, at least, you should denominate your earnings in USD, even if they are held in a foreign currency. "If you receive all or part of your income or pa

In America, at least, you should denominate your earnings in USD, even if they are held in a foreign currency. "If you receive all or part of your income or pay some or all of your expenses in foreign currency, you must translate the foreign currency into U.S. dollars." http://www.irs.gov/publications/p54/ch01.html#en_US_2012_publink100047340 http://www.irs.gov/publications/p54/ch01.html#en_US_2012_pub...