Hi Zara,
Thanks for reaching us.
• The reCAPTCHA improves the security of your store.
• It will be a simple solution to keep away spam bots and hackers.
• Admin can display google recaptcha on the following form pages – login page, registration page, contact page or Back-office Login page.
• Admin can select single/multiple reCaptcha positions in the configuration page.
• Admin can select the reCaptcha background.