While that's not quite the situation in question (you took my money and now I want a refund is stickier than "I want to pay you now rather than later" - in your case, you could always just cancel your order...), it's still relevant in that things could well have been reversed and (the bit I overlooked in my second comment) a rapid inflation in one currency looks a lot like a rapid deflation in others if you hold the inflating currency.