Google Invisible reCAPTCHA Library Sketch Resource
Design of Google invisible reCAPTCHA which you can include in your form mockups. reCAPTCHA is a CAPTCHA-like system designed to establish that a computer user is human. reCAPTCHA was originally developed by Luis von Ahn, David Abraham, Manuel Blum, Michael Crawford, Ben Maurer, Colin McMillen, and Edison Tan at Carnegie Mellon University's main Pittsburgh campus.
This Google Invisible reCAPTCHA Library was designed by Ashar Setiawan -
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