For example, in services such as Mechanical Turk, which rely on redundancy to ensure high-quality answers, many spammers create multiple accounts and try to attack simple tasks by entering the same answer in all questions.I also remember Luis von Ahn was describing an attack against re CAPTCHA, where 4chan users attacked re CAPTCHA by trying to guess which of the two words was the known one, and entering "penis" as the other word :-) It is therefore not surprising the most marketplaces attempt to have some form of identification service.Noticing What Isn't Right Engaging in Conversation Meeting the Person Community Q&A For most of us, finding love on the internet can be a gift from heaven.For others, however, it can be a life-ruining decision – leaving us penniless, heartbroken and with many more problems heading our way.Most marketplaces, in order to function properly, require some form of identification of their users.It is a well-known problem that the ability of participants to generate easily new identities can lead to many problems.The phrase "I wish I could quit you" takes on a whole new meaning when you want out of a relationship with an internet service.
We already have such services for websites (e.g., Verisign).
Unfortunately, scammers post fake profiles and pictures on these same sites in hopes of finding deep pockets.
If you’ve fallen victim to a romance scammer, here are some ways to start regaining control of your financial life.
A form of identification that is considered strong is to ask for unique ID element from the registering users, e.g., the SSN of the participant, asking for place of birth, etc. Souma Miura: Interestingly enough, I was able to fool quite a few websites that supposedly guarantee for the identity of their participants.
Interestingly enough, it is trivially easy to bypass many such identity tests. You can specify the characteristics of the name that you want, and you get back an entry that you want. All of them accepted without problems the fake identities, and in some cases even the credit card numbers (not for actual charges but the fake credit card numbers were accepted as legitimate credit cards to create a profile).