Blockchain Basics
Free Beginner course · 10 lessons · 3 weeks · Certificate on completion
Cut through the hype. How blockchains actually work, what they're good for, and what they're not. Across 10 lessons you'll move from fundamentals to a portfolio-ready outcome — at your own pace, with quizzes after each lesson and a final exam to certify your mastery.
What you'll learn
- Blockchain in plain English
- Hashing and signatures
- How Bitcoin actually works
- Ethereum and smart contracts
- Wallets, keys, and custody
- NFTs and tokens
Skills you'll pick up
- Blockchain in plain English
- Hashing and signatures
- How Bitcoin actually works
- Ethereum and smart contracts
- Wallets, keys, and custody
- NFTs and tokens
Tools covered
- Blockchain
- Real-world projects
- Quizzes
- Final exam
Course modules
Module 1: Blockchain in plain English
Module 1 of Blockchain Basics. 3 lessons · 3h
Module 2: Hashing and signatures
Module 2 of Blockchain Basics. 3 lessons · 3h
Module 3: How Bitcoin actually works
Module 3 of Blockchain Basics. 3 lessons · 3h
Module 4: Ethereum and smart contracts
Module 4 of Blockchain Basics. 1 lessons · 1h
Lessons in this course
- Blockchain in plain English
- Hashing and signatures
- How Bitcoin actually works
- Ethereum and smart contracts
- Wallets, keys, and custody
- NFTs and tokens
- Use cases that make sense
- The road ahead
- Blockchain: Deep dive 9
- Blockchain: Deep dive 10
Instructor
Noah Bergman — Blockchain Engineer
Noah Bergman is a Blockchain Engineer with years of hands-on experience teaching Blockchain to thousands of learners worldwide.
Certificate
Finish every lesson and pass the final exam to earn a free, verifiable Learnera certificate for Blockchain Basics. It can be downloaded as a PDF and shared on LinkedIn.
Career outcomes
Median global salary $105,000 per year · median India salary ₹14,00,000 per year · 182,221 open roles worldwide
- Blockchain Specialist
- Senior Blockchain Lead
- Blockchain Consultant
Frequently asked questions
Is the Blockchain Basics course free?
Yes. Every Learnera course, including Blockchain Basics, is completely free — lessons, quizzes, the final exam, and the certificate.
How long does Blockchain Basics take?
10 lessons, typically completed in 3 weeks at a comfortable pace.
Do I get a certificate?
Yes — pass the final exam and you receive a free, verifiable certificate you can share on LinkedIn.