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Intermediate16h2–3
EAS attestNext.jsViem
17/20Verifiable Course Certificates with EAS
Issue certificates anyone can verify onchain without calling the school.
Intermediate14h1–2 people17/20 fit
Build Verifiable Course Certificates with EAS for bootcamps, colleges and online courses in ~14h with 1–2 people. Stack: EAS attest + Viem + Next.js.
Why it wins: Real credential problem with a clean demo.
Build flow
01 · Problem
Fake certificates are common and verification is slow.
02 · Solution
Issue attestations with the Ethereum Attestation Service for each graduate, render a shareable certificate page and verify it with one click.
03 · Build
- 1Define an EAS schema
- 2Issue attestations
- 3Build the verify page
- 4Add revocation
04 · Demo
Issue a certificate live and verify it from a phone.
MVP checklist
- Schema design
- Batch issuing
- Verify page
- Revocation
Tech stack
| Tech | Role | |
|---|---|---|
| EAS attest | Onchain attestations | Chain |
| Viem | Ethereum client | Chain |
| Next.js | Frontend + API routes | Web |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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