Related: Google Cloud fraud defense, the next evolution of reCAPTCHA - https://news.ycombinator.com/item?id=48039362
also: Google Cloud Fraud Defence is just WEI repackaged - https://news.ycombinator.com/item?id=48063199
also: Google Cloud Fraud Defence is just WEI repackaged - https://news.ycombinator.com/item?id=48063199