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What is an mDoc?

Learn what an mDoc (Mobile Document) is, how it's used for secure digital identity verification, practical examples, technical insights, and common FAQs.

Blog-Post-Author

Max

Created: June 6, 2025

Updated: January 16, 2026

Term Definition Image for mDoc

What is an mDoc?#

An mDoc (Mobile Document) is a secure digital representation of physical identity documents (like passports, driver's licenses, or ID cards) stored on a mobile device. It ensures reliable identity verification using cryptographic methods and secure communication protocols.

See also our latest article to the new Apple support mDoc.

Key features of mDocs include:

  • Digital Authenticity: Cryptographically secured, ensuring document integrity.
  • Privacy and Security: User-controlled selective disclosure of personal information.
  • Convenience: Eliminates the need to carry physical documents.
  • Interoperability: Compliant with international standards such as ISO 18013-5 for mobile driver's licenses (mDLs).

mDocs enable digital identity verification in various scenarios like airports, traffic controls, healthcare, and retail, providing users with more control over their personal data and streamlining identity-related transactions.

Key Takeaways:

  • An mDoc is a secure, cryptographically protected digital version of a physical identity document stored on a mobile device.
  • Facilitates privacy-preserving, selective sharing of personal information.
  • Complies with international standards, notably ISO 18013-5 for mobile driver's licenses.
  • Enhances convenience, privacy, and security in digital identity verification scenarios.

Understanding mDocs in Detail#

An mDoc, or Mobile Document, represents an advancement in digital identity solutions, allowing individuals to securely store official documents such as driver's licenses, passports, or health insurance cards digitally on mobile devices.

Technical Background:#

mDocs utilize sophisticated cryptographic techniques to ensure document authenticity and integrity. They typically include:

  • Cryptographic Signatures: Ensuring the document was issued by a legitimate authority and has not been altered.
  • Data Minimization: Allowing users to share only necessary personal information selectively, enhancing privacy.
  • Secure Storage: Data encryption and secure hardware (e.g., secure enclaves or Trusted Execution Environments) to protect sensitive personal details.

Standards and Interoperability:#

mDocs comply with widely accepted international standards, such as ISO 18013-5, which define how mobile driver's licenses (mDLs) are structured, transmitted, and verified. Compliance with standards helps enable interoperability and facilitates acceptance, though actual adoption depends on government policies, issuing authority programs, legal frameworks, and verifier deployments across different jurisdictions.

Use Cases and Benefits:#

Travel and Border Control:

  • May facilitate identity verification at select checkpoints where accepted (note: travel documents like passports follow separate standards such as ICAO Doc 9303).
  • Reduces physical document handling, improving speed and efficiency where deployed.

Traffic and Law Enforcement:

  • Facilitates digital driver's license verification during traffic stops.
  • Enhances privacy by selectively disclosing only essential personal data.

Healthcare:

Privacy and User Control:#

mDocs empower individuals to manage their digital identities proactively, controlling precisely what information they disclose, when, and to whom. This privacy-centric approach significantly reduces identity theft and fraud risks.

With growing global digitization and smartphone penetration, mDocs are positioned to become a standard method for identity verification, significantly enhancing user experience, security, and privacy in digital interactions.

mDoc FAQs#

What is an mDoc used for?#

An mDoc securely stores digital versions of identity documents on mobile devices for convenient and secure verification purposes in various sectors like travel, healthcare, and law enforcement.

Are mDocs secure?#

Yes, mDocs use robust cryptographic technologies to ensure data integrity, authenticity, and secure communication, providing strong protection against forgery and identity theft.

Can an mDoc replace my physical documents?#

In many scenarios, yes. However, acceptance depends on jurisdiction and regulations, so physical documents may still be required as backups.

What standards govern mDocs?#

mDocs primarily adhere to ISO standards, notably ISO 18013-5, ensuring interoperability and wide acceptance of digital documents like mobile driver's licenses.

Do mDocs protect user privacy?#

mDocs can support selective disclosure and privacy-preserving features, though actual privacy protection depends on implementation, issuing authority policies, wallet behavior, and regulatory controls. Users should review specific program terms and capabilities to understand privacy protections in their jurisdiction.

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