Course Value Check · data-driven Udemy course checks

Bitcoin

Blockchain and Bitcoin Fundamentals: is it worth it?

by George Levy · Beginner · Finance & Accounting

Learn the key elements of blockchain and Bitcoin in this bestselling video course and accompanying PDF glossary.

Worth it — 83/100

Strong on every signal. Buy it during a Udemy sale rather than at list price. Updated 0 months ago — actively maintained.

Rating4.5 / 5adjusted 4.5
Reviews47,635
Students144,078
Video3h 16m45 lectures, 4 sections
Avg lecture4.4 min
Last updatedOct 2026

Score breakdown

Adjusted rating (4.5; raw 4.5 from 47,635 reviews)35 / 50
Review volume (social proof)23 / 25
Freshness (last updated Oct 2026)25 / 25
Total83 / 100

How it compares in Bitcoin

Ranks #1 of 9 popular Bitcoin courses we track by score. Its rating of 4.5 is below the Bitcoin median of 4.6.

CourseRatingReviewsVideoUpdatedScore
Build a Blockchain and a Cryptocurrency from Scratch
David Joseph Katz
4.83,61413h 59mOct 2025 83
AI for Writing and Communicating
Google
4.821930mMay 2026 73
AI Fundamentals
Google
4.56371h 13mAug 2026 72
AI for Research and Insights
Google
4.631826mAug 2026 71
AI for Content Creation
Google
4.816733mAug 2026 71
AI for Data Analysis
Google
4.614833mSep 2026 68
AI for Brainstorming and Planning
Google
4.611021mAug 2026 67
Step-By-Step Cryptocurrency Trading Course & eBook v2 (2025)
Aedan Kelly, Derek Blum
4.22,0691h 40mJul 2025 49

When to buy

Udemy runs storewide sales frequently and list prices are rarely what buyers pay, so the usual advice is to wait for a sale price instead of paying list price. Prices differ by country and account, so we do not show them; check the current price on Udemy.

Tracked history

DateRatingReviewsStudentsVideoUpdated
2026-10-104.547,635144,0783h 16mOct 2026

Tracking since 2026-10-10. Snapshots are taken every few days.

View this course on Udemy