Web3 Development: Building Decentralized Applications (dApps) — PickAClass
5.0 (3) ⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Web3 Development: Building Decentralized Applications (dApps)

Learn to design, write, and deploy secure decentralized applications by mastering smart contracts and blockchain integration fundamentals.

  • 💬 AI instructor
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  • 🕐 Start anytime
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  • 🌐 In English
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About this course

The transition toward Web3 is redefining how we interact with digital services by moving from centralized servers to transparent, user-owned networks. This course provides a comprehensive introduction to building decentralized applications, giving you the skills to participate in the next generation of the internet. You will gain a solid understanding of dApp architecture, from writing the logic that lives on the blockchain to connecting it to a functional web interface. What you'll learn: - Understand the fundamental principles of blockchain technology and decentralized network architecture - Write and deploy smart contracts using modern Solidity syntax and best practices - Connect web interfaces to the blockchain using industry-standard JavaScript libraries - Implement decentralized storage solutions to manage application data without central servers - Explore modern scaling solutions and account abstraction to enhance the user experience - Apply essential security patterns to protect decentralized applications from common vulnerabilities The course begins with essential terminology and core concepts before moving into the practicalities of smart contract development and frontend integration. It is designed for beginners and web developers who want to enter the Web3 space, requiring no prior blockchain experience. Start your journey into the world of decentralized development today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 36m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Web3 Development: Building Decentralized Applications (dApps)
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Web3 Development: Building Decentralized Applications (dApps)
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (3)

임채현 KR Verified learner
★ 5 · July 22, 2026

Fantastic course! The material was presented in a very digestible way, and the real-world applications made it super valuable. Highly recommend this one.

علي بن عبدالله بن علي BH Verified learner
★ 5 · July 20, 2026

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

Viera Šimonová SK Verified learner
★ 5 · July 9, 2026

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

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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. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 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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