Building Decentralized Wallets with EOSJS — PickAClass
⏱ 2h 30m 📚 25 lessons

Building Decentralized Wallets with EOSJS

Learn to develop a functional web wallet for the EOS blockchain using modern JavaScript and EOSJS libraries.

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About this course

Blockchain development can feel overwhelming with its complex cryptography and unique network architectures. This text-based course simplifies the process, guiding you through the fundamentals of interacting with the EOS blockchain to build your own decentralized wallet applications. You will start with the core concepts of public-key cryptography, blockchain accounts, and state history before writing a single line of code. Through clear, step-by-step written explanations, you will learn how to connect to decentralized networks and manage digital assets securely. What you'll learn: Understand the core architecture of the EOS blockchain and its account permission structure; Configure connection clients using modern EOSJS library patterns; Create secure functions to generate keys, import accounts, and manage private keys in memory; Build transaction payloads to transfer tokens and interact with smart contracts; Implement modern security practices to protect user data from common web vulnerabilities; Read and display real-time blockchain state, balance history, and transaction logs. You will progress from basic blockchain terminology to configuring node connections, handling cryptographic keys, and executing secure on-chain transactions. This course is designed specifically for web developers who are new to blockchain technology and want to expand their skills into decentralized application development without any prior smart contract experience. Start your journey into decentralized web development today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 30m 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Building Decentralized Wallets with EOSJS
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
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PickAClass — Name Surname
Building Decentralized Wallets with EOSJS
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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