<p>Got users behind <ahref="https://en.wikipedia.org/wiki/Network_address_translation">NATs</a>? No issues. We don't use IP address for rate-liming. NAT or not you get the mCaptcha experience.
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<h2class="h4">Best-in-class UX</h2>
<p>mCaptcha is silent, so silent that your users won't even feel it. No more anoying imgaes, no more helping for Big Brothers with their ML stuff</p>
<p>Our <ahref="https://en.wikipedia.org/wiki/Proof_of_work">PoW</a>-based solution defends fiersly. mCaptcha makes attacking your site more experience than what it will take for you to respond to the attacker's requests</p>
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<h2class="h4">Libre Software</h2>
<p>Client libraries are licensed using properiatary-friendly free software licenses but the core is <ahref="http://www.gnu.org/licenses/agpl-3.0">AGPL'd</a>. We believe this is a tech that can change the way the web works so mCaptcha will always be free</p>
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<h2class="h4">xCaptcha drop-in replacement</h2>
<p>Already using a captcha solution? No worries, our APIs are compatible with reCapthca and hCaptcha!</p>