An open standard · W3C Verifiable Credentials & VCALM
Issue and verify W3C Verifiable Credentials — without vendor lock-in.
A guide to issuing and verifying W3C Verifiable Credentials with VCALM (the VC API). Pick a vertical, see how it works, ship.
Pick your use case
Each guide answers "would this work for us?" — then shows you how to build it.
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Academic credentials
Issue diplomas, transcripts, and enrollment proofs any wallet can hold and any institution can verify.
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Supply chain traceability
Issue tamper-evident traceability and provenance credentials buyers, retailers, and auditors can verify.
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Mobile driver's licenses & digital ID
Issue mobile driver's licenses and digital IDs residents control — verifiable anywhere, with any wallet.
Why VCALM?
You pick a VCALM provider and can swap it. You aren't locked to one wallet vendor or one stack. The standard is open; your software stays yours.