Build a JavaScript Blockchain and Smart Contracts โ€” WalkSelf
โฑ 2h 48m ๐Ÿ“š 28 lessons

Build a JavaScript Blockchain and Smart Contracts

Gain practical skills in JavaScript to construct your own blockchain, cryptocurrency, and smart contract system, laying the groundwork for understanding decentralized applications.

  • ๐Ÿ’ฌ AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • ๐Ÿ• Start anytime
    No schedules or deadlines โ€” learn at your own pace, whenever suits you.
  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

Curious about the technology powering digital currencies and decentralized applications? This course demystifies blockchain by guiding you through written explanations and code snippets of its fundamental components. By engaging with this course, you will develop the foundational understanding and practical skills to conceptualize and implement a basic blockchain, integrate a custom cryptocurrency, and design simple smart contracts using JavaScript. What you'll learn: Understand the core principles of blockchain technology, including distributed ledgers, cryptographic hashing, and consensus mechanisms. Implement a custom blockchain from scratch using JavaScript, covering block creation, chain validation, and basic proof-of-work. Design and integrate a basic cryptocurrency system within your blockchain, managing transactions and account balances. Develop simple smart contracts in JavaScript, defining their logic and execution within a blockchain environment. Apply cryptographic concepts like digital signatures for secure transaction verification and data integrity. Identify basic security considerations and potential vulnerabilities in simplified blockchain implementations. The course systematically introduces key blockchain terminology and concepts, then progresses through practical, step-by-step implementation of a functional blockchain and cryptocurrency, culminating in the development of basic smart contracts. This course is ideal for absolute beginners with a foundational understanding of JavaScript who are eager to explore the mechanics of blockchain technology and decentralized application development. Begin your journey into the world of decentralized technology by building your own blockchain system today.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 48m of practical content

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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 donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” 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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