> For the complete documentation index, see [llms.txt](https://prep.pathcheck.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prep.pathcheck.org/master.md).

# PathCheck: Privacy-Preserving Crowdsourcing for Citizen Engagement

![](/files/-MYy5lbJVZu8UnRzaRjQ)

**Crowdsourced citizen data** can complement and connect incomplete and fragmented data that cripples pandemic responses. But, large-scale participation requires citizens’ trust and engagement. We solve this with a unique **“NoPeek” privacy** and **personalization** delivered with a free, open-source toolkit for governments and large institutions.

![](/files/-MYyRUo2S2AImYF_M7IJ)

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[Frequently Asked Questions (FAQs)](/frequently-asked-questions-faqs.md)
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