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2. Get Paid to Type: 15 Sites To Find Online Typing Jobs - AOL

   www.aol.com/finance/paid-type-10-legitimate...

   You can get paid to type by captcha solving, which is editing or correcting the text shown in captcha images. To earn money with 2Captcha, sign up on the website, confirm your email address and ...

3. CAPTCHA - Wikipedia

   en.wikipedia.org/wiki/Captcha

   The purpose of CAPTCHAs is to prevent spam on websites, such as promotion spam, registration spam, and data scraping. Many websites use CAPTCHA effectively to prevent bot raiding. CAPTCHAs are designed so that humans can complete them, while most robots cannot. [ 14 ] Newer CAPTCHAs look at the user's behaviour on the internet, to prove that ...

4. reCAPTCHA - Wikipedia

   en.wikipedia.org/wiki/ReCAPTCHA

   reCAPTCHA Inc.[1] is a CAPTCHA system owned by Google. It enables web hosts to distinguish between human and automated access to websites. The original version asked users to decipher hard-to-read text or match images. Version 2 also asked users to decipher text or match images if the analysis of cookies and canvas rendering suggested the page ...

5. Amazon Mechanical Turk - Wikipedia

   en.wikipedia.org/wiki/Amazon_Mechanical_Turk

   Amazon Mechanical Turk (MTurk) is a crowdsourcing website with which businesses can hire remotely located "crowdworkers" to perform discrete on-demand tasks that computers are currently unable to do as economically. It is operated under Amazon Web Services, and is owned by Amazon. [1] Employers, known as requesters, post jobs known as Human ...

6. Multi-factor authentication - Wikipedia

   en.wikipedia.org/wiki/Multi-factor_authentication

   Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism. MFA protects personal data —which may ...

7. TypeRacer - Wikipedia

   en.wikipedia.org/wiki/TypeRacer

   TypeRacer restricts the use of cheats with measures such as keystroke replays and a captcha anticheat [14] that requires users who achieve over 100 wpm in a race to complete a CAPTCHA. When completed successfully, if high-scoring players achieve a score that is 25% higher than their recorded CAPTCHA speed, an additional challenge-response test ...