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Proof of personhood, verifiable credentials, and the standards underneath.
Who stands behind the agent?
How to verify the human behind an AI agent: what a service needs to know, and how a real, unique person can prove it while keeping their data.
How to set a personhood score threshold
Where to put the threshold, why one threshold is the wrong shape, and what to store afterwards. The implementation side of proof of personhood.
Proof of personhood compared: World ID, BrightID, Humanity Protocol
World ID, Humanity Protocol, BrightID and document plus device, compared: what each one assumes, what it filters, and what breaks it.
How selective disclosure works in SD-JWT
The issuer signs digests, not values, so a holder can release some claims and withhold others. What the verifier sees, and the two details most write-ups miss.
How an OpenID4VP verifier works
The request, the vp_token that comes back, and the seven things a verifier has to validate before it believes any of it. With a real DCQL query.
EUDI Wallet vs proof of personhood
One proves who you are and that a claim about you is true. The other proves you are one person and not a hundred. Using either for the other's job goes badly.
Is a personhood credential a QEAA under eIDAS 2.0?
No, and the reason is the useful part: qualified is an institutional status, not a cryptographic one. Where the two systems actually meet is the wire format.
Gateway Beta is Live
Soverage Gateway is now open. Verify your personhood, receive W3C credentials, and own your decentralized identity.
The Age of Sovereignty
A vision for a world where individuals own their digital identity. On self-sovereign identity, surveillance capitalism, and the path forward.
