send / receive money to/from website users in exchange for website's virtual currency, is possible with paypal?

I have an website on asp.net-mvc, I'm thinking of using paypal for payments, is it possible to use paypal api for selling website's currency开发者_运维问答 to users and buying it back ?

Possible yes, probably a REALLY bad idea, though.

Check with Paypal whether they like your business, or you may end up with a frozen accuont faster than you can think of - including loosing all the money there.