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Ok, you've got me intrigued but I don't know what use case you are referring to. Care to elaborate?

The site could have its own currency.
Air drop based on reputation scores or total number of past transactions.
It wouldn't take over immediately, but guys who are sick of dealing with PayPal etc, might prefer to use a token directly.

It's an interesting idea, though I think that if you could buy or trade your reputation then it would defeat the purpose of having it and it would be harder to trust it. What we need is an SMT token that can be effectively pegged to the AUD. Then for sure you could have a balance on the site to use for trades.

It'd just be a once off to get the ball rolling.
From then on, users would just treat it like we treat steem.
It's usefulness in that environment would make it valuable; those who saw it that way would take it in preference to dollars.
Those who didn't would happily buy silver with their airdropped tokens, and continue using paypal, at least for a while.
I don't know that pegging it to the AUD would be a good thing necessarily, even if you could find someone willing to underwrite it.
I imagine as people discover it's usefulness and more of the stacking community joins the site, or transacts there preferentially; its price would increase relative to the dollar, which has a new range of problems.
Best to just let it float independent and see what the community does with it.

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