11–14 of 14 posts
How about an SMS verification code sent to the user's mobile phone?
Mobile phones are $30 at your nearest bodega.
Make them upload a picture of themselves next to today's newspaper, where today's date is legible, and you need to be able to verify the paper is legit. That would be possible but not easy at all to fake. The second best way is credit card, and use a third-party service that doesn't require you to store any cc info locally. Unfortunately, people have more than one cc, more than one email, and you can't ask for ssn, b…
Earlier quoted context omitted.
Mobile phones are $30 at your nearest bodega.
Meaning that multiple entries are very cost-prohibitive. If you want to enter 100 times with Facebook, you can buy 100 Facebook accounts for much cheaper than the $30 * 100 mobile phone cost.
Earlier quoted context omitted.
Meaning that multiple entries are very cost-prohibitive. If you want to enter 100 times with Facebook, you can buy 100 Facebook accounts for much cheaper than the $30 * 100 mobile phone cost.
In that case, you can just get a VOIP number for 8 cents or whatever.