Hedera Hashgraph Developer.
Hashgraph consensus and the four Hedera services — built for enterprise scale.
The fast version.
Hashgraph consensus (gossip-about-gossip, virtual voting, aBFT), the four Hedera services (HCS, HTS, HSCS, HFS), the Hedera SDK, EVM compatibility, and enterprise use cases.
CapstoneBuild a production-ready app using HCS + HTS + HSCS.
Detailed syllabus coming soon.
We're finalising the lesson-by-lesson outline for DLTC-HED301. Until then, the key topics below give you the shape of the course. The full programme runs 7 modules across 90 hours.
By the end of HED301.
Verifiable. Permanent.
Pass the final exam and the credential is issued as a verifiable on-chain certificate, anchored to the DLTC registry. Your name, the course code, the issue date — all checkable by anyone with the link.
Exam: 100 multi-choice and scenario questions. 70% to pass. Two attempts included.
Common questions.
How long does HED301 take to complete?
The programme is built for ~90 hours of focused study. Most learners pace it across 4–8 weeks, but it's self-paced — you set the speed.
Is the certificate worth anything?
The credential is verifiable on-chain through the DLTC registry. Hiring managers and partner universities can check it in one click. It is recognised by our partner network across academia and industry.
What do I need before starting?
This course requires DLTC-BD201. You should have passed it before enrolling here.
Are there discounts for students or teams?
Students: $149 with a valid institutional email. Teams of 5+: $409 per seat through corporate enrolment. Bundles offer further savings.
What if I fail the exam?
Two attempts are included. After that, retakes are available for a small fee. Most learners pass on the first attempt with full module completion.
Buy the track, pay less.
Learn the protocol.
Earn the credential.
Six modules. One exam. A certificate worth showing.
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