The full text is 8799 words, estimated reading time is about 25 minutes, recommended to save for later reading. Captcha codes inherently carry a layer of semantic meaning in the answers, which is a natural distinction between humans and automated programs. Regardless of the method used to crack the captcha, the answer must be identified. … Read more
(Click the public account above to quickly follow) Source: Qiu Kang singasong https://segmentfault.com/a/1190000006070219 Introduction I previously developed a campus dating APP, where one of the logics was to confirm that the user is a student by accessing their academic system. The basic idea was to use the user’s account and password to scrape the information. … Read more
To distinguish between humans and computers, many services on the Internet use CAPTCHA technology, such as email applications, bank system logins, and transaction confirmations in e-commerce systems. Although character recognition remains the most commonly used method for CAPTCHAs, image semantic recognition-based CAPTCHAs have gradually appeared in some important Internet applications and have sparked heated discussions. … Read more