The main obstacle now is the relative stability of the political and economic system, most people being satisfied with the means of payment at their disposal (fast and simple).

But the situation will change when the population loses confidence in the financial system and the currency, which is sure to happen.

What will happen when Italian banks run out of cash? what will become of the euro if Italy is defaulting on its debt? Salvini having already warned that he would not accept a troika as with Greece.

In case of no-deal, will the Brexit drive the UK into a recession? what impact would this have on the rest of the already fragile euro area?

And, finally, perhaps most importantly, what does the reversal of the yield curve mean?