Link Physical & Digital Worlds Securely

- Print unclonable security tags. - Fingerprint tags on the blockchain. - Authenticate tags with cameras. - Tag physical things and link digital records

Paper Security Docs

Print security tags on paper documents using home printer. Let clients authenticate original documents remotely with phone camera.

Secure IOT

Internet Of Things (IOT) low cost printable security. Scan printed tag to read and write data securely for any tagged thing, person or place.

Physical NFT

Physical Non Fungible Token (NFT). Print Blocktag tags on physical things and register tag's serial id to a blockchain.

Safe AR Markers

Augmented Reality (AR) markers. Paste Blocktag tags at places as markers for people to navigate AR.

Download and print Blocktag tags using multiple print techniques, materials and form factors like barcode, QR, Augmented Reality (AR) markers. Custom configurations welcome.< Hover on tags for info >

Use Cases

Original Printed Documents

  • Certify original printed documents more conveniently by printing tag without additional hand signatures, stamps or seals.
  • Remote notarization. Notarize printed documents between two or more parties using printed tag and mobile authentication.
  • Forgery detection. Detect forged copies of original printed document.
Our Partners
For Tag Creators:
How It Works

Step 1: Download Tags

Embed printed security on well known tags like QR or Barcode. Download security tags from Blocktag website.

Step 2: Print Tags

Print tags as stickers or direct on material surface using any printer from home inkjets to industrial printers.

Step 3: Fingerprint Tags

Use phone or industrial camera to capture tag’s physical print signature as fingerprint.

For Tag Consumers:
Mobile Authentication

Scan tagged thing or place with Blocktag app to detect tag photocopies, reprints or screenshots. No special scan hardware required.

Authentic Records

Authenticate Data

Scan tag to read record. Tag creators can control what to show before and after authentication.

No Special Hardware Needed

Compatible with most phone cameras. Configurable for web cameras, production line cameras etc.

Verify Author ID

Users can authenticate with camera FaceId to identify as authors allowed by data owners.

Blockchain Integration

Integrate with Blocktag's blockchain or any 3rd party blockchains

Remote Authentication

Prove presence and authenticity to someone on the other side of the world.

Digital Wallet

Exclusive access to content and digital collectibles based on proof of presence.

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