An advertising captcha is a type of security measure used on websites to verify that a user is a human and not a computer program. Unlike traditional captchas that require users to decipher distorted letters or numbers, an advertising captcha presents users with a short advertisement or promotional message to view and interact with before granting access to the website’s content. This innovative approach not only ensures the authenticity of the user, but also provides a unique opportunity for businesses to reach their target audience through targeted advertising. By combining security and marketing, advertising captchas offer a win-win solution for both website owners and users.