Learn Blockchain Developer Online: Free Course with AI Tutor & Certificate
Modern apps need secure, decentralized data. This free blockchain developer course teaches you how to build these systems. Across 12 modules and 36 video lessons taking about 3 hours, you'll master cryptography, smart contracts, and DApps, giving you the exact skills to start building on Web3.
Blockchain Developer course syllabus
01 Introduction to Blockchain Technology
- Understanding Blockchain Basics
- History and Evolution of Blockchain
- Key Components of Blockchain
02 Cryptography Fundamentals
- Introduction to Cryptography
- Hash Functions and Digital Signatures
- Public and Private Keys
03 Blockchain Architecture
- Blockchain Structure and Operations
- Consensus Mechanisms
- Nodes and Network Types
04 Ethereum and Smart Contracts
- Introduction to Ethereum
- Writing Smart Contracts with Solidity
- Deploying Smart Contracts
05 Blockchain Development Tools
- Setting Up a Development Environment
- Using Truffle Suite
- Working with Ganache
06 Blockchain Use Cases and Applications
- Blockchain in Finance
- Supply Chain and Logistics
- Healthcare Applications
07 Blockchain Security and Privacy
- Common Security Threats
- Privacy Solutions in Blockchain
- Secure Coding Practices
08 Introduction to Bitcoin
- Bitcoin Basics and History
- Bitcoin Mining Process
- Bitcoin Transactions
09 Developing Decentralized Applications (DApps)
- DApp Architecture
- Frontend and Backend Integration
- Interacting with Smart Contracts
10 Blockchain Platforms and Ecosystems
- Overview of Popular Blockchain Platforms
- Hyperledger Fabric
- Corda and Enterprise Solutions
11 Blockchain Scalability and Performance
- Challenges in Blockchain Scalability
- Layer 2 Solutions
- Sharding and Sidechains
12 Future of Blockchain Technology
- Emerging Trends and Innovations
- Blockchain in IoT
- Interoperability Between Blockchains
Skills you'll gain
Add these to your LinkedIn profile and resume the day you finish.
Who should take this Blockchain Developer course?
And exactly what you need before starting (spoiler: almost nothing).
This course is for
- Software developers looking to transition into Web3 and decentralized application development.
- Tech enthusiasts who want to understand how cryptocurrencies and smart contracts function behind the scenes.
- IT professionals in India seeking to upgrade their security and architecture skills for modern finance roles.
- Computer science students needing a practical, structured introduction to blockchain technology.
Prerequisites
- No prior blockchain experience is required to begin this course.
- Basic understanding of programming logic and web development concepts will be helpful.
- Familiarity with how computer networks function is a plus but not strictly necessary.
How learning works on LearnTube
The structure of a bootcamp, the price of free.
AI curates your path
Our AI picks the top 1% of video content for each topic and arranges it into a structured, goal-based curriculum. No more tutorial roulette.
Learn, then get quizzed
After every lesson, your AI tutor asks you a question and gives personalised feedback on your answer, so gaps get fixed immediately.
Finish with proof
Complete the course, build the capstone project, and claim a certificate recognised by 900+ hiring partners.
A complete Blockchain Developer course: free, structured and job-focused
Businesses often struggle to create transparent, tamper-proof digital systems. You'll learn to solve this exact problem by mastering decentralized networks. This free blockchain technology course starts with Understanding Blockchain Basics and moves quickly into practical applications. Across 12 modules, you'll cover Cryptography Fundamentals, Blockchain Architecture, and Ethereum and Smart Contracts. By the time you reach the final lessons on Blockchain Scalability and Performance and the Future of Blockchain Technology, you will know how to design secure ledgers from scratch.
You'll also explore Introduction to Bitcoin and Blockchain Development Tools to ensure you have practical knowledge of the ecosystem. We focus heavily on applied skills, teaching you Blockchain Use Cases and Applications alongside Developing Decentralized Applications (DApps). LearnTube makes this process highly interactive. Our platform pairs the best curated YouTube video lessons with an AI tutor that tests your knowledge. You will take a quick quiz after every single lesson to make sure the concepts stick.
The learning experience is completely free, allowing you to study all 36 video lessons at your own pace. Once you finish the material, which takes about 3 hours total, you can opt for a paid certificate. This credential proves your new technical skills to the 900+ hiring partners in the LearnTube network, helping you stand out as a certified blockchain developer.
Jobs you can target after learning Blockchain Developer
Blockchain Developer is a gateway skill for some of the fastest-growing roles in tech.
Builds and optimizes smart contracts and decentralized applications for Web3 platforms.
Writes, tests, and deploys secure self-executing code on networks like Ethereum.
Connects traditional web interfaces to decentralized blockchain backends.
Typical entry-level salary ranges in India as of September 2026. Actual compensation varies by city, company and experience.
Earn a Blockchain Developer certificate employers recognise
Finish the course and claim a certificate you can share anywhere.
- Learn 100% free: every lesson, quiz and the AI tutor cost nothing
- Claim your certificate when you complete the course (an optional paid add-on)
- Recognised by 900+ hiring partners across India
- One click to share on LinkedIn and add to your resume
Why learners choose LearnTube
Real reviews from Google. You learn free, you get assessed free, and you pay only if you want the certificate.
Though I have 11 years of experience as an HRBP, the course helped me refresh my knowledge and gave me insights into new trends in the market. The modules were clear and easy to understand, and the quizzes were well designed. I have added the certificate to my LinkedIn profile.
I had a lot of doubts while learning, but the AI chatbot answered them in detail with simple summaries. The videos on the platform saved me a lot of time as I didn't have to search YouTube and watch random content.
Just earned my certificate in HR Management from LearnTube.ai! The platform is user-friendly and the assessment was a great way to validate my knowledge. Feeling proud of this accomplishment!
I enrolled in a LearnTube personalized course to get into a Data Analytics role. It helped me learn SQL in depth and gave me hands-on experience with Power BI. I attached the LearnTube certificate to my CV, it added credibility to my profile, and I'm currently in the interview process.
The interface is user-friendly and intuitive, making it easy to navigate the course. I encountered no errors during my time using the platform, which was a refreshing change from other online learning platforms.
Just cleared the Business Analyst assessment and got certified! Loved how the course simplifies big concepts like data-driven decision making into short, practical lessons. The automated quizzes kept me on track the whole time. Perfect boost for my resume!
The certificate gave me a real edge during my B.Tech. By the time I graduated, I had skills that set me apart from my peers, and the certification opened up more job opportunities. It gave me the confidence to stand out during interviews.
I manage many software projects as a General Manager and was looking for a good certification program to stay competitive. After researching many programs, I chose LearnTube and it was much better than I expected. The material is well-organized and practical, and what I liked most is the lifetime access.
Frequently asked questions
Everything learners ask before starting this Blockchain Developer course.
Do I need prior experience to take this blockchain course?
No prior blockchain experience is necessary. You will start from the absolute basics of distributed networks. However, having some fundamental programming knowledge will help you grasp the smart contract modules faster.
What jobs can I get after completing this blockchain training?
You can pursue roles like Blockchain Developer, Web3 Developer, or Smart Contract Engineer. Entry-level salaries for these positions in India typically range from ₹5 LPA to ₹12 LPA depending on your programming background.
Can I learn blockchain development on my mobile phone?
Yes, the entire platform is mobile-friendly. You can watch the curated video lessons and complete the AI-generated quizzes directly from your smartphone, so it's easy to study whenever you have free time.
Is this free blockchain course completely self-paced?
Yes, the curriculum is entirely self-paced. You can watch the 36 video lessons and complete the modules on your own schedule without worrying about strict deadlines or fixed login times.
How long does it take to finish the blockchain certification course?
The course contains about 3 hours of video content across 12 modules. Most learners finish the entire curriculum, including the AI quizzes, in a single weekend or a few days of part-time study.
Do I have to pay to use the AI tutor?
No, the AI tutor and all 36 video lessons are completely free. You only pay if you decide to purchase the optional verified certificate after completing the final module on blockchain technology.
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36 lessons, an AI tutor that never gets tired, and a certificate at the finish line. All you need is an hour a day.
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