Trust at internet scale.
Turn any video into a verified, evidence-grounded credential — and prove it in three seconds.
100 free credentials live now · No card required
Credential
Computer Science: How Passkeys Work
Issued by Ahura · Holder: r.hanson · Ed25519 · OB 3.0
verifying...
key 7e:a1:9c…
- 0:12.40Public-key signatures replace shared secrets.
- 2:03.10The relying party never sees a password.
- 4:48.92Keys are bound to a hardware authenticator.
From a single URL to a signed credential — autonomously.
Paste a YouTube link
The pipeline runs end to end without supervision.
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The split-pane Workbench keeps proof next to every claim.
Video
Draft items
- Topic 1
- Topic 2
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- Outcomes
Anyone can prove it
Public registry. Cryptographic signatures. Replayable evidence.
Issue credentials your audience can actually prove they earned.
- A signed, replayable record of every claim you teach.
- Hours of footage become structured chapters in a single pass.
- Audience earns proof your competitors cannot manufacture.
Source
- 0:00.00 — Intro to authentication
- 0:42.80 — Symmetric vs asymmetric
- 2:03.10 — WebAuthn ceremony
- 4:48.92 — Hardware-bound keys
Draft outcome
Learner can explain why passkeys eliminate password theft.
Candidate · r.hanson
Computer Science: How Passkeys Work
Issuer Ahura · Ed25519 · OB 3.0 · key 7e:a1:9c:0b
- 0:42.80Define symmetric versus asymmetric crypto.
- 2:03.10Walks through a full WebAuthn ceremony.
- 4:48.92Explains hardware-bound private keys.
Verify a candidate’s skills in three seconds.
- Click a claim, watch the exact second of source that proved it.
- Every credential resolves via JWKS in well under three seconds.
- No vendor lock-in. The credential is the artefact, not the platform.
Earn your first credential from the best teachers on the internet.
Every card below is a real, public video our pipeline has chaptered, grounded and prepared for credentialing. Pick one and start earning.

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Three roles, one shared artefact.
What the product does · betaEvery question is grounded back to the moment in your lesson that supports it — so the credential reflects your material, not a generic quiz.
For creators
Completions carry a signed, machine-checkable credential, so verifying one is a link click instead of a phone call.
For institutions
Open a claim and see the exact evidence behind it — the specific passage of the lesson it was drawn from.
For employers
What the product does · beta
Free to earn. Pro to issue. Honest revenue share for creators.
Free
Three credentials per month. Public registry. JWKS verification.
Pro
Unlimited credentials, private credentials, advanced verifier.
Creator Share
Audience earns credentials, you keep 80% of every paid issuance.
Institutional
Co-issuance, custom registry, SSO, white-labelled verifier.
Plans are indicative. v1 ships as a public verifier and a single issuer profile — reach out to discuss issuance or institutional deployments.
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