We had a baby-sitting-club kind of thing with its own currency, nice middle/upper-middle-class neighborhood, and some people just couldn't seem to get around to

We had a baby-sitting-club kind of thing with its own currency, nice middle/upper-middle-class neighborhood, and some people just couldn't seem to get around to 'earning' credits by babysitting other people's kids... So there was forgery. Of course, in such a small community, it was immediately obvious who had done it, so people stopped being available to babysit their kids.