[NameNickHN]

There is still trade by barter. ;-) If push comes to shove, people will find a way.

[eru]

I wonder what the new cigarettes or nylon stockings will be.

[lignuist]

In some countries smaller trades are done with prepaid credits for cellphones.

[GFischer]

Tide detergent seems to be the money equivalent of choice among drug dealers:

http://bastiat.mises.org/2012/03/tide-as-money/