Add a Google reCAPTCHA v3 on forms, This component is fork of ReCaptcha by Jonathan Goncalves and Captcha by me.
Go to https://www.google.com/recaptcha/admin and generate v3 site keys and secret.
If you wish to use a v2 that shows challenge to users you can use https://www.opensource-socialnetwork.org/component/view/2516/google-recaptcha
Just upgraded to v1.1 with no problems. Created a new user account without any issue!
Please use the 1.1 version, the error seems in the way gcaptcha JS was loading as async. Besides that in Google v3 there is no verification checkbox that is what V3 is about. You should only see captcha icon floating on right side of page.
I installed recaptcha v3 and I noticed no new users were signing up. So, I disabled the component.
Thinking it was something on my site that was not compatible. I saw in the comments below that Allon Prooit had installed this component so I tried creating an account on his site and I get the exact same message my users were getting... "You have entered invalid reCaptcha". The problem is, no recaptcha was presented. No checkbox to verify I am human, etc.
I tested this on my site, (which generates the error), and tested creating an account on another users site who is also using this component. Tested on Chrome browser on Android
tablet. Samsung Galaxy Tab. I was suspicious something was wrong when there were no new users signing up for three days. I also have a facebook page for my website and I was getting messages from people at facebook stating they could not create an account on my site. This led me to investigate the problem.