Probably BTC, for some reasons, BTC is used worldwide, but only "under the table". While the worth is still low, try investing it first before cashing everything out. If the worth of BTC gains it peak, that is the right time to cash it out. Try putting some business in other countries. Like Singapore, Philippines, Malaysia, China and more. Or try buying some shares in different companies, with that you wouldn't needing of leaving your couch, You just need some company phone to contact about your investment.