First thiings first, upon entering into this kind of industry we are into, we are all aware that this type if currency was already widely used by many people belonging in different countries worldwide so that possibility for two countries to do have trading in between them was already possible at the very first place because even blockchain was not yet formally being introduce, we people have already making such tradings not just in terms of money but also with products for the sake of fulfilling the needs of our economy so I bet, the possibility was already wide open ever since.