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1answer
47 views

Need stats on the effectiveness of user verification systems on fraud, abuse and/or compliance?

Here's an example, although not a good one from Craigslist.
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1answer
117 views

Looking for usability studies of user authentication methods and interfaces, do you know of any?

Been having issues with stackexchange creating weird usernames for me and grouping them with my account, it appears to be a known issue, and emailed the stackexchange team... which leads me to my ...