I think bitcoin (or its variant) that would have a very important role to play in international trade, once we are past this friend or foe phase with governments, financial institution and regulators that we are going through.When economists, bankers and the regulators can agree on the importance of a worldwide cryptocurrency like Bitcoin - trade will change.
Bitcoin was forged in the fires of economic uncertainty, It was created in direct response to the shortcomings of the traditional financial system. It makes sense then that any event that highlights the potential vulnerabilities of a national currency also tends to magnify the strengths of a borderless currency such as bitcoin.