Web3 and Decentralized Applications: A Beginner's Guide — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Web3 and Decentralized Applications: A Beginner's Guide

Learn the core concepts of Web3, blockchain technology, and how to understand decentralized applications to navigate the future of the internet.

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  • 🌐 In English
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About this course

The landscape of the internet is rapidly evolving, with Web3 promising a more decentralized and user-centric experience. Understanding this shift is crucial for anyone looking to engage with modern digital technologies. This course provides a comprehensive, foundational understanding of Web3, enabling you to grasp the fundamental principles behind blockchain, smart contracts, and decentralized applications, and confidently explore the decentralized web. What you'll learn: * Understand the core principles and architecture of Web3 and its evolution from previous internet iterations. * Learn how blockchain technology functions, including consensus mechanisms and cryptographic foundations. * Master the concepts of smart contracts, their execution, and their role in decentralized applications. * Apply fundamental security practices and common attack vectors relevant to Web3 and dApps, including basic wallet and key management. * Explore the basics of decentralized autonomous organizations (DAOs), token standards like ERC-20 and ERC-721, and non-fungible tokens (NFTs). * Practice interacting with basic blockchain explorers to understand transaction data and network activity. The course begins with foundational Web3 concepts, progresses through the mechanics of blockchain and smart contracts, and concludes with practical applications and essential security considerations. This course is designed for absolute beginners with no prior experience in blockchain or Web3, providing a clear path to understanding these complex topics. Begin your journey into the decentralized future 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 48m 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 and Decentralized Applications: A Beginner's Guide
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 and Decentralized Applications: A Beginner's Guide
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.

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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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