Certificates

A certificate that anyone can verify.

Every certificate is a credential signed to Open Badges 3.0: readable code, QR, public verification page, PNG badge with the data inside. It issues by itself at cycle end if the student attended enough.

  • Signed Open Badges 3.0 credential
  • Public verification with code and QR
  • Automatic issue with attendance threshold
  • On the student profile and the social
Certificate
Certificate of completion
Maria Rossi
Liceo Classico I° Biennio
ALD-7K2M-9QXR
Design
Digital signature
Open Badge 3.0
Public verification with QR
Issued at cycle end
Features

Issued, signed, verifiable

The standard is 1EdTech’s: the credential is valid outside Aladia and revocation is public.

Signed credential

Academy key, Ed25519 signature, W3C verifiable credential. The PNG badge contains the JSON: carry it anywhere and verify offline.

Credential
Certificate
Sign
Badge
Verify
ALD-7K2M-9QXR
Signed · PNG badge · verifiable

Public verification page

aladia.io/verify/ALD-XXXX-XXXX shows student, course, academy, date, status. The QR on the certificate leads there.

aladia.io/verify
Certificate
Public verification
ALD-7K2M-9QXR
ALD-7K2M-9QXR
Ed25519 signature
Ed25519 signature
Classical High School · issuer
Classical High School · issuer
Valid · issued 30 May 2026

Automatic issue

At cycle end the system checks minimum attendance and completion and issues. Or issue by hand, single or in bulk.

Settings
Issuing
Issue at cycle end
Require minimum attendance
Automatic social post
Minimum attendance75%

On the profile and the social

Certificates tab on the student profile, automatic post with badge and Verify button, linked Experience section.

Profile
GCGiulia
LCLiceo
MBMarta
GCGiulia Conti· Liceo Classico
I completed Classical High School · Years 1–2 🎓 Certificate ALD-7K2M-9QXR
34
Comment Verify

Issued and revocations

List of issued per course with status, revocation with reason and public revocation list per standard.

Issued
Issued
Cycle 1
CSV
Student
Code
Status
GCGiulia Conti
ALD-7K2M-9QXR
Valid
ASAhmed Saleh
ALD-3P8Q-1MZT
Valid
SNSara Neri
ALD-9RX2-4KLD
Revoked

Design with your brand

Three A4 templates with logo, signature, colours; server-rendered preview in the builder, Certificate section of the course.

Design
Templates
Classic A4
Academy logo
Principal signature
Modern A4
Verification QRALD-…
How it works

From course to certificate

  1. 1

    Design

    In the builder Certificate section: template, logo, signature, text.

  2. 2

    Set the rules

    Minimum attendance, completion, automatic issue at cycle end.

  3. 3

    Issue and verify

    The student gets certificate and badge; anyone verifies with code or QR.

What’s inside

Open Badges 3.0 + VC 2.0
Verifiable credential signed with Ed25519, did:key per academy.
ALD-XXXX-XXXX code
Readable, printed on the certificate with QR.
Baked badge
600×600 PNG with the credential inside.
Public revocations
1EdTech list, status updated in verification.
Encrypted keys
Issuer key encrypted in the database.
Cycle-end issue
Periodic check and issue queue.

Frequently asked questions

Build your Academy. Find your Academy.

Join 194,000+ learners and hundreds of teachers and organizations already on Aladia.