Ethereum and Solidity: The Complete Developer's Guide — 89% Off Coupon

Use Ethereum, Solidity, and Smart Contracts to build production-ready apps based on the blockchain

⭐ 4.6 out of 5(155,733 students enrolled)Created by Stephen GriderLast updated: 🌐 English

Course Overview - Key Takeaways

The following summarizes all verified data points for this course, including pricing, duration, instructor, and coupon validity. All data is sourced directly from Udemy and verified by CourseSpeak on .

•Course Title: Ethereum and Solidity: The Complete Developer's Guide
•Provider: Udemy (listed via CourseSpeak)
•Instructor: Stephen Grider
•Coupon Verified On: January 11, 2026
•Difficulty Level: All Levels
•Category: Development
•Subcategory: Ethereum
•Duration: 23h 30m of on-demand video
•Language: English
•Access: Lifetime access to all course lectures and updates
•Certificate: Official certificate of completion issued by Udemy upon finishing all course requirements
•Top Learning Outcomes: Understand the why engineers would want to create an app with Ethereum · Build compelling blockchain applications using the Ethereum Blockchain · Design, test, and deploy secure Smart Contracts
•Prerequisites: Basic Knowledge of Javascript and NPM · A Mac, PC, or Linux Machine
•Price: $9.99 with coupon / Regular Udemy price: $94.99. Applying this coupon saves you $85.00 (89% OFF).
•Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

This course gives you the following verified skills and competencies in Development:

✓Understand the why engineers would want to create an app with Ethereum .
✓Build compelling blockchain applications using the Ethereum Blockchain .
✓Design, test, and deploy secure Smart Contracts .
✓Learn the true purpose and capabilities of Ethereum and Solidity .
✓Use the latest version of Ethereum development tools (Web3 v1.0) .
✓See practical examples to comprehend what the blockchain and mining are.

Course Requirements & Prerequisites

The following background knowledge and tools are recommended before starting this course. Students without these prerequisites may still enroll but should expect a steeper learning curve:

•Basic Knowledge of Javascript and NPM
•A Mac, PC, or Linux Machine

About This Udemy Course

The following is the full official course description as published on Udemy by instructor Stephen Grider. It covers the curriculum structure, teaching methodology, and topic scope for this Development course:

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Is the Ethereum and Solidity: The Complete Developer's Guide Coupon Worth It?

Expert review by Josh Smith, Lead Course Reviewer at CourseSpeakUpdated Jan 11, 2026

The short answer is yes — provided the Development skills this course teaches actually line up with what you want to build. The regular price for Ethereum and Solidity: The Complete Developer's Guide on Udemy is $94.99. The coupon code listed on this page drops that to $9.99 — a saving of $85.00, or 89% off the standard rate. Spread across 23h 30m of on-demand video, that works out to roughly $0.43 per hour of content — less than the cost of a single chapter of most printed development textbooks.

A discount is only worth something if the material delivers, and the curriculum here is built around practical outcomes. Stephen Grider walks you through understand the why engineers would want to create an app with Ethereum, build compelling blockchain applications using the Ethereum Blockchain, and design, test, and deploy secure Smart Contracts — concrete skills you can apply, not abstract theory. It has already been taken by 155,733 students and holds a 4.6-star average from verified reviews, which is a reasonable sign the content holds up in practice.

The bar to entry is low: Basic Knowledge of Javascript and NPM; A Mac, PC, or Linux Machine. That makes it a realistic choice even if Development is unfamiliar territory. In practical terms, expect around 23h 30m of on-demand video to work through at your own pace. The material is presented in English.

Pros

  • ✓Verified 89% price reduction.
  • ✓High learner satisfaction (4.6/5).
  • ✓Trusted by 155,733 students.
  • ✓Certificate + lifetime access.

Cons

  • !The coupon is time-limited — once it expires, the price tends to revert toward the standard $94.99.
  • !Lifetime access is tied to Udemy staying online; the platform can change its policies.
  • !Budget for the exercises and quizzes too — they add real time on top of the 23h 30m of video.
JS
Josh Smith
Lead Course Reviewer
Credentials →

"At roughly $0.43 an hour of video, Ethereum and Solidity: The Complete Developer's Guide is priced sensibly for what it actually covers — understand the why engineers would want to create an app with Ethereum and beyond. If Development is on your roadmap and you value the 4.6-star track record, this coupon is worth using while it's still valid."

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Final Verdict: Worth It
Saves you $85.00 against the standard Udemy price
New to redeeming coupons? Visit our step-by-step guide for detailed instructions on how to apply coupon codes.Coupon last verified January 11, 2026.At $9.99 you save $85.00 compared to the standard $94.99 price, and Udemy coupons are time-limited — redeem as soon as possible.

Course Rating Summary

This course holds an aggregate rating of 4.6 out of 5 based on 155,733 student reviews on Udemy. The distribution below shows the approximate percentage of students who gave each star rating.

4.6
155,733 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy. Last verified: January 11, 2026.

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Instructor Profile

Background information on Stephen Grider, the instructor responsible for this course on Udemy.

SG
Stephen Grider
Udemy Instructor
Full Profile ↗
Subject Area
Development
Total Students
155,733+ enrolled
Rating
4.6 / 5.0
Course Duration
23h 30m
Teaching Approach
Practical, project-based instruction built around real-world application of Development skills, with hands-on exercises and quizzes to reinforce each section.

Frequently Asked Questions

The following questions and answers cover the most common queries about this course, its coupon code, pricing, and enrollment process. All answers are based on verified data from Udemy as of January 11, 2026.

About the Author

Josh Smith
Josh Smith
Udemy Coupon Specialist

8+ years finding and verifying the best Udemy deals. Helped thousands of students save on premium courses through curated coupon codes and exclusive discounts.