POK Proof of Knowledge
Global platform for issuing verifiable digital credentials.
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Juan Pablo Cuervo

POK Proof of Knowledge - Global platform for issuing verifiable digital credentials.

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POK is a global platform for issuing verifiable digital credentials and microcredentials as NFTs on the blockchain — trusted by 1,100+ universities, governments, and companies across 19 countries. ISO 27001 and SOC 2 certified, 1EdTech certified, and compatible with Open Badges 3.0, W3C Verifiable Credentials, and the European Learning Model (ELM/Europass).

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Juan Pablo Cuervo
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Hey Product Hunt! 👋 We built POK because we kept seeing the same problem: institutions issuing credentials that lived on a platform's server — and the moment that platform changed ownership or shut down, those credentials lost their value. POK issues credentials as NFTs on public blockchain (Polygon and LacNet), so they're permanently verifiable by anyone, anywhere, without depending on us or any other intermediary. We're 1EdTech certified, ISO 27001 and SOC 2 compliant, compatible with Open Badges 3.0 and ELM/Europass — with a 100% free unlimited plan for Web2 credentials and pay-per-credential plans for NFT blockchain issuance, no lock-in and no setup fee. 1,100+ universities, companies and governments across 19 countries already use POK. Happy to answer any questions about how it works!