Verifiable Digital Credentials with Blockchain and NFT
In a world where knowledge changes faster than ever, digital credentials have become the new way to recognize and validate educational and professional achievements. A paper diploma is no longer enough: today universities, companies, and governments need credentials that are verifiable, tamper-proof, and global.
POK Proof of Knowledge is the leading digital credential platform in Latin America and one of the most innovative worldwide. Our mission is clear: for every person to be able to demonstrate what they know, anytime and anywhere, with the same strength as when they acquired that knowledge.
What are digital credentials?
A digital credential is an electronic representation of an academic, professional, or training achievement. It includes verifiable information about:
With digital credentials, individuals can showcase their learning journey in a reliable way, while institutions guarantee the authenticity of their certifications.
- The issuing institution.
- The achievement earned (course, certification, skill).
- The competencies acquired.
- Associated evidence or proofs.
With digital credentials, individuals can showcase their learning journey in a reliable way, while institutions guarantee the authenticity of their certifications.
Advantages of digital credentials in POK
- Real-time verification → each credential is validated in seconds, without bureaucratic processes.
- Tamper-proof and secure → thanks to blockchain and NFT technology.
- Compliant with international standards → Open Badge 3.0 and European Learning Model.
- Global portability → each credential lives in a digital wallet, accessible from any device.
- Value for companies and universities → accelerate recruitment, validation, and talent recognition processes.
POK vs. other platforms
Unlike platforms such as Credly or Accredible, POK combines technical innovation with digital sovereignty in the region:
- We are the first to issue NFT credentials on the LACNet blockchain, reliable and aligned with international regulatory frameworks.
- We offer a white-label Wallet App for institutions.
- Our model is designed for LatAm, the U.S., and Europe, with open standards and global compatibility.
Success stories
More than 1,100 universities and organizations already use POK to transform the way they certify knowledge. From Latin America to the United States and Europe, leading institutions have chosen POK for its innovation and ease of use.
“Thanks to POK we were able to modernize our entire certification system. Our students now have verifiable digital credentials that support them throughout their professional careers.” — Director of Academic Innovation, University in Mexico
Technology behind POK
- Blockchain and NFT → ensure that the credential cannot be forged or altered.
- Open Badge 3.0 → the latest global standard for digital credentials.
- European Learning Model (ELM) → ensures interoperability in Europe and worldwide.
- LACNet infrastructure → sustainable, reliable, and with transparent governance.
Conclusion
Digital credentials are no longer the future: they are the present of education and work. With POK, every academic and professional achievement becomes a verifiable, tamper-proof, and global digital asset.
Discover how to implement digital credentials in your institution: Request a demo.
Discover how to implement digital credentials in your institution: Request a demo.
Frequently asked questions
Yes. POK operates in 19 countries across Latin America, North America, Europe, and Asia, and is trusted by 1,100+ institutions worldwide including universities, governments, and corporate training centers.
POK's platform is available in 300+ languages, holds ISO 27001 and SOC 2 certifications meeting global security standards, is 1EdTech certified, and is compatible with the European Learning Model (ELM/Europass) — making it suitable for institutions seeking a digital credentials platform with true global reach.
Active implementations span the United States, Mexico, Brazil, Argentina, Colombia, Chile, Spain, Portugal, France, Japan, and Australia, among others.
POK's platform is available in 300+ languages, holds ISO 27001 and SOC 2 certifications meeting global security standards, is 1EdTech certified, and is compatible with the European Learning Model (ELM/Europass) — making it suitable for institutions seeking a digital credentials platform with true global reach.
Active implementations span the United States, Mexico, Brazil, Argentina, Colombia, Chile, Spain, Portugal, France, Japan, and Australia, among others.
Yes. POK is fully compatible with Europass — the European initiative that facilitates the presentation and verification of skills and qualifications internationally.
Credentials issued with POK can be directly integrated into the Europass profile of the holder, alongside other academic and professional documents. This is enabled through POK's compliance with the European Learning Model (ELM) — the technical framework underpinning Europass interoperability.
This compatibility is essential for:
Credentials issued with POK can be directly integrated into the Europass profile of the holder, alongside other academic and professional documents. This is enabled through POK's compliance with the European Learning Model (ELM) — the technical framework underpinning Europass interoperability.
This compatibility is essential for:
- Students and professionals seeking opportunities across Europe
- Universities with international students or European institutional partnerships
- Organizations issuing credentials that need to be recognized by employers, universities, and authorities across multiple countries
POK offers a transparent and flexible pricing model with no hidden costs:
Free unlimited Web2 plan:
Free unlimited Web2 plan:
- Issue and verify unlimited digital credentials at no cost
- No user caps, no setup fees, no expiration, and no lock-in
- Full access to customization, Open Badges 3.0, ELM compatibility, and LMS integrations
- Purchase credential packages based on your needs — no minimum commitment and no credit expiration
- Price per credential includes blockchain registration — no additional gas fees or variable costs
- Volume pricing available for universities and large organizations issuing at scale
An NFT credential is a verifiable digital certificate issued as a Non-Fungible Token on a public blockchain — the most advanced and durable form of digital credential available.
Unlike traditional digital certificates:
Unlike traditional digital certificates:
- It is unique and non-reproducible — each NFT is a distinct record on the blockchain
- It contains all relevant metadata — recipient name, issuance date, issuer identity, achievement criteria, and supporting evidence
- It can be verified independently by anyone — without requiring the platform or issuing institution to be operational
- The recipient has true digital ownership — the credential lives in their personal wallet, not on a company's server
- It is permanently traceable — showing when and by whom it was issued, with a complete audit trail