opinity.logo.betaGo to Opinity, which has just launched a Web site that tracks a user’s reputation based on their behavior on classifieds and auctions sites, and on social networking Web sites. Apparently they want to partner with sites like eBay or Slashdot. We get the heebies when thinking about this stuff, but maybe it’s just us — or because of all the news lately about cookie and pie.

Anyway, these guys are serious. The San Jose-based start-up just raised $2.7 million in venture capital from SoftBank Ventures Korea, which led the round, and Solborn Venture Investment, Korea Investment and Valmore Partners, according to a story today in Venture Wire (sub req)…

“When you have established a reputation on one site, there’s no way to transfer your reputation to another site,” [CEO Ted] Cho said. “Opinity provides a way to efficiently transfer your reputation by verifying identities at Opinity.”

To build a consolidated reputation, users can create a profile that can also be reviewed and rated by third parties. While users can dispute reviews on themselves, they can’t edit them. But a user can register separate reputations on Opinity for each of their identities. For instance, users can establish a reputation related to their eBay account and at the same time can also set up a different reputation for their online dating identity.

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