mCaptcha

Privacy-focused proof-of-work CAPTCHA that silently protects sites without tracking users.

Servicefreeglobal

A privacy-focused proof-of-work CAPTCHA that silently protects sites without tracking users or requiring image puzzles. mCaptcha is available as a self-hostable service for web developers and privacy-conscious teams seeking straightforward bot protection, but it does not provide third-party fraud risk scoring.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of mCaptcha - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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