Context and challenge
The proof must be bound to the service and verification challenge to reduce improper reuse where technically applicable.
Minimum disclosure · attribute proof · status
Credential verifier
The credential verifier is designed to answer specific questions about a valid presentation without requiring a person to hand over all of their civil data.
In brief
The essentials
GOV must not ask you to paste a personal document into this page. The public experience explains the flow; the real verifier belongs to Sistema Candeia and must validate the presentation, issuer, binding, challenge, requested attributes and current status under the technically adopted standard.
How it works
Purpose-bound credential verification
01RequestThe verifier states exactly which attributes it needs.
02PresentationThe holder presents proof bound to the request and its context.
03ValidationIssuer, integrity, binding, challenge and status are checked.
04Minimum responseThe verifier returns only the necessary conclusion, without collecting excess attributes.
Principles
What makes a document trustworthy
Issuer
The origin must be verifiable through the corresponding chain of trust.
Holder
Where required, the presentation demonstrates binding to the holder.
Status
Suspension and revocation must be considered when required by the credential type.
Selective disclosure
Unrequested extra attributes should be avoided or rejected.
No personal data on GOV
This editorial page is not a form for uploading real documents.
Representation and source
Privacy is part of verification
A trustworthy verifier must operate correctly, collect only what is necessary, limit purpose and avoid unnecessary correlation across contexts.
In practice
Implication for people who use Candeia
You should be able to prove an attribute without turning every interaction into disclosure of your civil dossier. The real implementation must provide contestation, accessibility, recovery and alternatives when a technical method cannot be used.
Limits
Protections and limits
Do not paste a document, access code or personal QR code into GOV.
The portal does not produce a fictitious “valid” result or present a demonstration person as real.
Verification of a credential does not create legal authority for a purpose other than the one requested.
Examples of minimum disclosure
Ask for the attribute, not the entire dossier
18+
Confirm that the age condition is met without necessarily disclosing the full date of birth.
Status
Confirm residence status when type, detailed address or history are not needed.
Condition
Answer the requested condition without attaching civil attributes unrelated to the purpose.
Constitutional basis
Read the full text
Consult the related provisions in the Proposed Constitution.
Keep exploring