That's a perfectly good application of a reputational economy. There's pretty much infinite possibility. I'm not sure if it has been explored in fiction better

That's a perfectly good application of a reputational economy. There's pretty much infinite possibility. I'm not sure if it has been explored in fiction better than Doctorow's Down and Out Magic Kingdom, about a post-scarcity, post-singularity society with a reputational economy. http://craphound.com/down/ http://craphound.com/down/ Available free online under a CC license.