Ethereum and Solidity Developer: Build Web3 DApps with React and Next.js

Learn to write secure Solidity smart contracts and build modern decentralized applications using React, Next.js, and industry-standard blockchain tools.

4.1 (737) ⏱ 44 min 📚 11 lessons 🎧 Audio version

About this course

The transition from traditional web development to decentralized Web3 technology opens up powerful opportunities for creators and developers. Understanding how to connect secure smart contracts with modern, responsive frontends is the key to building successful decentralized applications (DApps). This text-based course takes you from blockchain novice to a developer capable of designing, deploying, and integrating Ethereum smart contracts. Through clear explanations and structured code analysis, you will gain a deep understanding of blockchain mechanics, write Solidity code, and build web interfaces that interact directly with decentralized networks. You will learn to manage state, handle wallet connections, and deploy contracts to local and public testnets. What you'll learn: - Understand the foundational principles of Ethereum, gas dynamics, and how decentralized networks operate. - Write secure, optimized smart contracts using Solidity, following modern development and security best practices. - Compile, test, and deploy contracts using development environments like Hardhat and local blockchains. - Build responsive DApp frontends with React and Next.js, utilizing modern routing and state management. - Connect web applications to blockchain wallets and read/write smart contract data using modern Web3 libraries. - Explore multi-chain ecosystems, including deployment concepts on Polygon and Solana. The course begins with essential blockchain theory and fundamental Solidity concepts before guiding you through the process of building complete, functional DApps. You will read comprehensive explanations, analyze practical code snippets, and study real-world integration patterns. This course is designed for web developers and programming enthusiasts who want to transition to Web3. No prior blockchain or smart contract experience is required, as we start with the absolute basics. Start your journey into decentralized application development today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 30-day refund
    No questions asked
  • Short & focused
    44 min of practical content

Reviews (4)

Riley Gray AU Verified learner
★ 3 · 2026-05-14T03:09:54+00:00

This provided a good overview. The explanations were decent, but sometimes I wished for more practical application scenarios. Still, a valuable learning experience.

علي بن حسن EG Verified learner
★ 3 · 2026-04-05T04:34:54+00:00

It's a solid course. The structure is logical and most of the examples were helpful. Could use a few more real-world scenarios though.

Sigurður Karlsson IS
★ 5 · 2025-10-19T17:37:54+00:00

This is exactly what I was looking for. Loved the practical examples, they really helped solidify the concepts.

جمال الدين عبد الرحمن EG Verified learner
★ 4 · 2025-09-22T17:53:54+00:00

Solid content here. While a couple of the modules could have been more detailed, the overall value and applicability are high. Good job!

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe, or with cryptocurrency. We do not store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 30 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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