Start here if you’re new to blockchain technology. Blockchain Basics is the best blockchain course for beginners to learn about blockchains and web3 development. It is the most comprehensive introductory blockchain technology course online. Learn blockchain fundamentals and how smart contracts work. Create a wallet and sign your first transaction. Perfect for newcomers and web2 devs ready to step into web3.
3hrs
26 lessons
1 project
20+ languages
Beginner
Certification available
by
Earn a course Certificate of Completion and demonstrate your understanding. Pass the proficiency exam at the end of the course.
This course will help you learn:
Blockchain fundamentals
Introduction to smart contract gas
Introduction to wallets
Transaction signatures
Smart contracts
Advanced gas concepts
1
3 hrs
26 lessons
Blockchain Basics is the most popular introductory blockchain technology course for aspiring developers,web3 enthusiasts, and non-technical users. It’s the most complete, hands-on introduction to blockchain technology and smart contracts available.
Over 100,000s of developers have successfully completed Blockchain Basics and joined the world of web3. Many have been inspired to pursue careers as blockchain developers and security researchers.
Learn the fundamentals of blockchain technology, decentralized finance (DeFi), and smart contracts, then sign your first on-chain transaction.
Whether you’re brand new to coding, a seasoned web2 developer, or just want to learn more about how blockchains and smart contracts work, there’s something valuable here for you.
Blockchain Basics is a beginner-friendly blockchain technology course designed to prepare you to become a smart contract developer. You’ll learn through more than 3 hours of video lessons, supported by written tutorials, quizzes, and exercises to guide your learning.
Even if you have no prior programming experience, Blockchain Basics will allow you to understand and learn blockchain technology, as well as engage with technical users and teams.
Take your first step into a career in blockchain. Blockchain Basics is the best blockchain course to become a blockchain developer, security researcher, or smart contract developer.
Here’s why:
Blockchain Basics’ engaging video tutorials guide you step-by-step to learn the fundamentals of blockchains. Discover consensus mechanisms and the purpose of smart contracts. Dive deeper into rollups, nodes, cryptography, and how to stay safe.
This foundational blockchain course will teach you how to use the Ethereum blockchain. Learn to interact with smart contracts, explore dApps, and what gas is. Real-world example tutorials walk you through setting up your wallet and signing your first transaction.
Every lesson comes with a full coding screencast and written transcripts for you to learn in the way that suits you best.
In this blockchain course, you will learn:
After completing this course, you’ll be ready for smart contract development and blockchain security concepts found in more advanced Cyfrin Updraft courses.
As a Cyfrin Updraft student, you get lifetime access to every course, corresponding resources, and repositories for free!
So what are you waiting for?
Start learning Blockchain Basics today and kickstart your blockchain development career on Cyfrin Updraft!
Certification available
by
Earn a course Certificate of Completion and demonstrate your understanding. Pass the proficiency exam at the end of the course.
Master blockchain fundamentals, including smart contracts, wallets, and consensus. Gain the expertise to work with technical teams and advance your career.
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Master blockchain fundamentals, including smart contracts, wallets, and consensus. Gain the expertise to work with technical teams and advance your career.
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Student testimonials
Here’s what our students are saying about their experience with Updraft:
If there’s one resource that blockchain engineers point to, it’s Cyfrin’s ultimate tutorials. They’re standout resources that have empowered countless developers to learn web3, Solidity, and dive deep into Web3 development.
Chainlink
@Chainlink
Chainlink
Wanna go from curious coder to blockchain engineer? These are some of the best video courses to get you there.
Jakub Konopka
@Asbet0s
Senior Product Designer, Ethereum Foundation
I took Cyfrin course and I’ve been working as a solutions developer at OpenZeppelin for the last few months. It was by far the most comprehensive resource and the one that really teached me the fundamentals and made me want to switch from web2 to web3.
Gustavo Gonzalez
Solutions Engineer, OpenZeppelin
Cyfrin Updraft videos on smart contract development have been instrumental in my blockchain journey, standing out with their clarity and accessibility. Their readiness to support and engage with learners makes me excited for more of their interactive and insightful content in the Web3 space
Francesco Andreoli
Lead Devrel, Metamask
The Cyfrin courses were a game-changer for me. They provided a well-structured and comprehensive introduction to web3 and blockchain development. The knowledge I gained allowed me to transition into a full-time role as a blockchain developer. I can't recommend these courses enough!
Albert Hu
Founding Engineer, DeForm
I took Cyfrin’s courses, and I took them seriously. At least one hour every day, documented the progress, didn’t skip any second. Haven’t found a better web3 course since. Now I’m full-time in web3, working as Senior Developer Advocate at Ceramic Network.
Radek
Senior Developer Advocate, Ceramic
Cyfrin have been an absolute game-changers in my journey into blockchain. Saying their courses were remarkable, would be an understatement. Thanks to their expert guidance, I gained a deep understanding of blockchain to its roots. I'm forever grateful for their role in helping me get started in web3.
Boidushya
WalletConnect
Cyfrin blockchain and Foundry/AI courses were incredible. I've gained valuable knowledge, grown, empowering myself and others. Thank you, Cyfrin!
Idris
Developer Relations Engineer, Axelar
If there’s one resource that blockchain engineers point to, it’s Cyfrin’s ultimate tutorials. They’re standout resources that have empowered countless developers to learn web3, Solidity, and dive deep into Web3 development.
Chainlink
Chainlink
Wanna go from curious coder to blockchain engineer? These are some of the best video courses to get you there.
Jakub Konopka
Senior Product Designer, Ethereum Foundation
I took Cyfrin course and I’ve been working as a solutions developer at OpenZeppelin for the last few months. It was by far the most comprehensive resource and the one that really teached me the fundamentals and made me want to switch from web2 to web3.
Gustavo Gonzalez
Solutions Engineer, OpenZeppelin
Cyfrin Updraft videos on smart contract development have been instrumental in my blockchain journey, standing out with their clarity and accessibility. Their readiness to support and engage with learners makes me excited for more of their interactive and insightful content in the Web3 space
Francesco Andreoli
Lead Devrel, Metamask
The Cyfrin courses were a game-changer for me. They provided a well-structured and comprehensive introduction to web3 and blockchain development. The knowledge I gained allowed me to transition into a full-time role as a blockchain developer. I can't recommend these courses enough!
Albert Hu
Founding Engineer, DeForm
I took Cyfrin’s courses, and I took them seriously. At least one hour every day, documented the progress, didn’t skip any second. Haven’t found a better web3 course since. Now I’m full-time in web3, working as Senior Developer Advocate at Ceramic Network.
Radek
Senior Developer Advocate, Ceramic
Cyfrin have been an absolute game-changers in my journey into blockchain. Saying their courses were remarkable, would be an understatement. Thanks to their expert guidance, I gained a deep understanding of blockchain to its roots. I'm forever grateful for their role in helping me get started in web3.
Boidushya
WalletConnect
Cyfrin blockchain and Foundry/AI courses were incredible. I've gained valuable knowledge, grown, empowering myself and others. Thank you, Cyfrin!
Idris
Developer Relations Engineer, Axelar