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.
-
๐ฌ
AI instructor
Ask about any lesson and get a clear answer instantly, anytime. -
๐
Start anytime
No schedules or deadlines โ learn at your own pace, whenever suits you. -
๐
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
-
๐
Certificate of completion
Add it to your LinkedIn profile -
๐ฌ
Personal AI tutor
Stuck on a lesson? Ask your built-in tutor anything, any time. -
โพ๏ธ
Lifetime access
Come back anytime, no expiry -
๐ฑ
Phone or computer
Works anywhere, any device -
๐ธ
14-day refund
No questions asked -
โก
Short & focused
2h 48m of practical content
Reviews
No reviews yet โ be the first to share your experience.
Learners also took
๐ฅ In demand
๐ With certificate
Building a Cryptocurrency News Site with Python and Django
Certificate
Hands-on
70,00 lei
→
๐ Most popular
๐ With certificate
Web3 Development: Building Decentralized Applications (dApps)
Certificate
Hands-on
70,00 lei
→
๐ Studentsโ pick
๐ With certificate
Polygon Layer 2 Development: Building Scalable Ethereum Applications
Certificate
Hands-on
70,00 lei
→
๐ฅ Hot
๐ With certificate
Launch a No-Code Marketplace with Bubble and Stripe Connect
Certificate
Hands-on
70,00 lei
→
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 donโt 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.
Built for learners in
Tech
Design
Finance
Marketing
Healthcare
Education
Hospitality
Manufacturing