https://github.com/prosopo/captcha

Protect your website from bots with Prosopo Procaptcha

antispam bot-detection captcha captcha-alternative ddos-mitigation ddos-protection frictionless-captcha hcaptcha human-verification invisible-captcha polkadot privacy procaptcha proof-of-work recaptcha security self-host spam spam-detection spam-protection

Last synced: 08 May 2025