[rolph]

this is is why cashless, is a big issue.

there was a submission here a bit ago regarding canadian banking systems wanting to go no cash, and mandate electronic purchase and payment.

we have seen economic collapse and what it looks like. if physical banknotes are not available, we use cigarettes, vodka, and tampons.

I think those things are fairly untraceable

[djmips]

I recall that it was reported that Tide laundry detergent was being used as a currency for drug deals. http://nymag.com/news/features/tide-detergent-drugs-2013-1/