What it feels like to use

The technology is invisible by design. Here's what each person actually does — and what they no longer have to.

The story, end to end

  1. The brand issues an authenticity credential

    At the point of manufacture, each product gets a signed provenance credential — origin, materials, date — linked to a tag or QR on the item. It's issued once and travels with the product.

    No shared central database for counterfeiters to mimic.

  2. The product carries it through the supply chain

    As the item moves through distributors, retailers, and resale, the credential moves with it. Each handoff can add its own signed event without anyone rewriting history.

    Ownership can transfer without phoning the brand.

  3. A buyer or auditor verifies it

    A buyer, retailer, or compliance auditor scans the tag, taps "Verify", and instantly sees where it came from and that it's genuine — cryptographically, not a website or spreadsheet that could be faked.

    Proof of origin in seconds, even years later.

What the buyer experiences

What the manufacturer experiences

Curious how this compares to the OpenID-based approach (OID4VCI / OID4VP)?

Why VCALM →

See the technical flow Build it