[Evgeniuz]

I think supply/demand may get in the way: not that many people need zimbabwean dollars, just some collectors and those who seek them for novelty value. Market will become saturated pretty quickly.

[yincrash]

There are also websites that try and pump up the currencies as get rich schemes.[1]

[1]http://www.reddit.com/r/personalfinance/comments/2gzafs/spou...