What currency does George Soros use to protect his billions?

I know he has alot of Gold and invests in Oil in Brazil. What currency does he use, since he is trying to destroy the value of the dollar- He said he profits from destroying currency of countries, how does he do it? What does he invest in to profit a billion dollars on destruction of peoples lives?|||Bullets.|||Is he married to a Chinese woman and living in Red China like Fox's Rupert Murdoch?|||He should do like the Koch brothers and use the Chinese yuan.|||Any proof for your assertions, or are you once again FOS?