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Stop punishing users with traffic lights. IronWall is a privacy-first alternative to reCAPTCHA. Instead of checking humanity, we challenge the device's computational power (Proof-of-Work).
Spamming 1M requests costs a botnet real electricity/CPU time, making attacks economically unviable.
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3KB SDK (Tiny)
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No Tracking / No Cookies
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Invisible to Humans (~1s solve time)
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Enterprise Controls (Geo-Fencing, IP Reputation)
Drop-in support for React, Vue, and Vanilla JS.
IronWall ProtocolStop bots without CAPTCHA. 3KB Client-Side Proof of Work.
Ronald Olooleft a comment
Hi Product Hunt! š I'm Clein, a solo founder from Nairobi š°šŖ. I built IronWall because I was building AI apps, and bots kept draining my OpenAI credits by spamming my signup forms. I tried reCAPTCHA, but it ruined my UI and users hated clicking traffic lights. I realized: Why ask the user to prove they are human? Let's make the computer pay. IronWall uses Client-Side Proof of Work. It forces the...
IronWall ProtocolStop bots without CAPTCHA. 3KB Client-Side Proof of Work.