Category: Captcha & Bot Detection

ALTCHA.

Czech open-source proof-of-work captcha alternative

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Facts

Headquarters: CZ (EU)
Category: Captcha & Bot Detection
Type: Product
GDPR-compliant: Yes
Open-source: Yes
Data hosting: EU

EU alternatives

CaptchaFox
German privacy-focused captcha solution
DE · commercial
↗
Friendly Captcha
German privacy-friendly proof-of-work captcha service
DE · commercial
↗
Trustcaptcha
German GDPR-compliant captcha service
DE · commercial
↗

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