Issue verifiable digital credentials and microcredentials as NFTs on the blockchain. Try the 100% free and unlimited version now!

World-leading white-label platform for issuing NFT digital credentials with global standards such as OpenBadge 3.0 and the European Learning Model, ensuring security, interoperability, and international recognition.

credentials

Institutions that trust POK for issuing digital certificates

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POK: Global presence, leadership in NFT digital credentials

POK is present in over 1,100 universities and organizations across more than 19 countries in Latin America, the USA, Europe, and Japan, and has issued over 1.5 million credentials, offering the only white-label platform with secure, scalable, and interoperable digital NFT credentials internationally, complying with global standards such as OpenBadge 3.0 and the European Learning Model.

POK is the only platform in the world that offers a 100% Free version with unlimited issuance.

Institutions

+1100

Institutions

Countries

+19

Countries

Issued credentials

+1.3M

Issued credentials

Shared credentials

+1M

Shared credentials

Full integrations: LTI, open APIs, and plug & play compatibility with all your platforms

POK, the global leader in digital and verifiable NFT credentials, connects seamlessly with all the platforms and systems you already use. We offer LTI (Learning Tools Interoperability), open APIs, and plug & play compatibility so you can start issuing credentials in minutes, without complex development or disruption to your processes.

We natively integrate with the most widely used LMS in education and training: Moodle, Blackboard, Canvas, Google Classroom, Open edX, and D2L Brightspace. We also connect with CRMs like Salesforce and HubSpot and dozens of educational and business tools.

Moodle, salesforce, blackboard, hubspot

Our platform is certified by 1EdTech TrustEd Apps and we are founding members of 1EdTech Latam, positioning us as leaders in implementing secure and open educational technologies in the region.

We comply with:

  • OpenBadge 3.0: the global standard for verifiable digital credentials, compatible with the world’s leading educational and workforce platforms.
  • European Learning Model (Europass): ensures compatibility and recognition of credentials in Europe and other markets adopting this framework.
  • GDPR: strict compliance with the world’s most stringent data protection regulations.
  • LTI (Learning Tools Interoperability): seamless and secure integration with any LMS, ensuring a frictionless experience for institutions and users.

Thanks to this infrastructure, credentials issued with POK are not only secure, immutable NFT tokens but also fully interoperable.
features
Pok Purpose

NFT vs Web2 vs Web2 Blockchain

NFT with POK:

  • User ownership, not provider ownership.
  • Immutable on public blockchain.
  • Permanent, even if the issuer disappears.
  • Fully verifiable without depending on POK.
  • 100% compatible with international standards.

Web2 or Web2 with Blockchain (other platforms):

  • Credential hosted on private servers: vulnerable to hacks or deletion.
  • Provider ownership.
  • “Blockchain” validation only as secondary record.
  • Private blockchain with no public value.
  • Complete comparison POK vs Credly
  • Differences between POK and Accredible
  • How POK compares to Badgr

Purpose POK

Key features

certificate example

Secure and trustworthy

Trust from issuance
Certify on blockchain, verify with a single click. Privacy guaranteed.

Global compliance
Complies with standards such as OpenBadge 3.0, 1EdTech, and Europass. Issue in formats like LinkedDataProof or JWT based on your needs.

Decentralized security
Credentials are registered as NFTs, with cryptographic validation. Unique, tamper-proof, and verifiable anywhere in the world.

Employability

Connect your credentials with real opportunities
Measure their impact in real time: see which ones are shared on LinkedIn, added to profiles, and lead to jobs or promotions.

Make data-driven decisions
Identify which certificates drive visibility and opportunity to adjust your strategy.

Boost your brand through others’ achievements
Show how your credentials are transforming careers.

White label

Credentials with your seal:
Design credentials, pages, and emails 100% customized with your logo, colors, and style.

A complete brand experience
Edit every detail: from visual design to messages and email senders.

Strengthen your positioning
Each credential reinforces your identity, builds trust, and sets you apart.

Metrics

Measure what matters, improve what counts
See the real impact of your credentials and learning paths: verifications, downloads, completions, and leads in real time.

Optimize with data
Discover what works best, identify areas for improvement, and make strategic decisions based on clear, actionable metrics.

metrics

POK is the only platform in the world that issues NFT credentials on the blockchain. We use Polygon (Ethereum Layer 2) and LacNet.

Latest Articles

How Microcredentials Can Empower New Workers

How Microcredentials Can Empower New Workers

Explore how NFT microcredentials are transforming the job market by validating skills, increasing opportunities for workers, and providing trust and efficiency for employers.

The ultimate guide to choosing the best digital credentials platform

The ultimate guide to choosing the best digital credentials platform

Discover why POK is the preferred choice in Latin America and worldwide to issue secure, verifiable NFT credentials on blockchain.

Smart integrations with POK

Smart integrations with POK

Connect your LMS and CRM systems to POK. Automate digital NFT credential issuance from Moodle, Blackboard, HubSpot, and more.

POK: The highest rated digital credentials platform on G2 and Capterra

Globally recognized by users and institutions, POK has outstanding ratings on G2, Capterra, and SourceForge, positioning itself as one of the most trusted and innovative NFT digital credential platforms on the market.

Additionally, POK is present on key sites and directories such as GetApp, Software Advice, Trustpilot, Gartner Peer Insights, Product Hunt, SourceForge, TrustRadius, AppSumo, Slant, EdSurge Product Index, Common Sense Education, EdTech Impact, Learning Light, and eLearning Industry, consolidating its leadership in educational technology and digital verification.

capterragetappsoftwareadvice

Frequently asked questions

POK (Proof of Knowledge) is a global platform designed to issue, manage, and verify digital credentials securely, interoperably, and scalably. It is intended for universities, training centers, companies, governments, and organizations seeking to certify academic or professional achievements with maximum reliability.

Unlike other providers, POK combines ease of use with compliance to the highest international standards: OpenBadge 3.0, W3C Verifiable Credentials, and European Learning Model. This ensures that issued credentials can be shared and verified anywhere in the world.

POK offers two modalities:
  • Free (Web2): unlimited digital credentials, without expiration, verifiable by link or QR code, without lock-in or hidden costs.
  • NFT (Public Blockchain): credentials registered as unique tokens, with permanent traceability and decentralized verification.

With over 1,000 institutions in America, Europe, and Asia, POK is the solution for those seeking to combine innovation, security, and flexibility in credential issuance.

Digital credentials are verifiable certifications that validate skills, knowledge, or achievements. Unlike traditional paper certificates, digital ones are secure, easy to share, and globally recognized. At POK, we use blockchain technology to ensure their authenticity and immutability.

Digital credentials allow you to showcase your achievements clearly and reliably on professional networks, CVs, or online profiles. Thanks to their automatic verification and metadata about your skills, they increase your job opportunities by making you more visible and trustworthy to recruiters and companies.

POK offers a transparent and flexible pricing model:

  • In the free (Web2) version, you can issue and verify unlimited digital credentials at no cost, without expiration, and without commitment to stay
  • In the NFT (Public Blockchain) version, you purchase credential packages based on your needs, with no minimum obligation and no credit expiration


This means you can acquire only what you need, at your own pace, avoiding unnecessary fixed costs. The price per credential includes blockchain registration, with no hidden fees or surprises due to “gas fee” variations.

This model adapts to both institutions issuing few credentials per year and large universities or corporations needing to issue thousands.

Start recognizing achievements with POK!