[ben_w]

You have to collect the money from somewhere (printing it counts as “from savings accounts”), and the people you collect it from have, historically, tended to resist this any way they can.

I’m not saying this problem can’t be solved — I rather hope it can — but that’s why it is still an open problem.

[EGreg]

How about printing community currency?

[ben_w]

I doubt it would make any difference, but I am unfamiliar with the phrase. Why would a community currency be different from a national currency?