If you're new, start here. The most popular beginner blockchain course. Learn how blockchains and smart contracts work, create a wallet, and sign your first transaction. No experience needed, 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 developer course. It has introduced 100,000s of developers to the world of web3. It is the most complete, hands-on introduction to blockchain technologies and smart contracts available.
Learn the fundamentals of blockchain, DeFi, and smart contracts, then sign your first 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 here for you. Blockchain Basics is a beginner friendly blockchain developer course designed to prepare you to become a smart contract developer.
Take your first step into learning blockchain development today.
Blockchain Basics has over 3 hours of videos and written tutorials to guide you through learning. This introductory blockchain developer course teaches you the foundational skills you need. Then, move into advanced smart contract development and blockchain security concepts in later Cyfrin Updraft courses.
Even if you have zero programming experience, Blockchain Basics is your first step into a career in blockchain. As a blockchain developer, security researcher, or smart contract developer. Here’s why:
Engaging video tutorials take you step-by-step. Learn the basics of blockchains, consensus mechanisms, and the purpose of smart contracts. Dive deeper into rollups, nodes, cryptography, and how to stay safe.
Learn how to use the Blockchain and interact with smart contracts. Discover Tutorials teach you real-world examples, set up your wallet, learn what gas is, sign your first transaction.
Every lesson comes with a full coding screencast and written transcripts for you to learn the way it fits you best!
This blockchain course will teach you:
By the end of this course you will understand the fundamentals of blockchain, interact with decentralized applications, and be ready for a more advanced blockchain developer course: Solidity 101.
As a Cyfrin Updraft student, you get lifetime access to all lectures, corresponding resources, and repositories!
What are you waiting for? Start learning Blockchain Basics today and embark on your journey to learning blockchain development 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.
Patrick Collins + 2 more
Solidity Developer
Start here if you’re new to writing smart contracts! Learn Solidity programming language and smart contract development from industry-leading experts.
Patrick Collins + 2 more
Solidity Developer
Solidity Developer
Web3 Wallet Security Basics teaches you the foundational concepts of blockchain wallet security and transaction verification to help you avoid disaster. This is an introductory, 1-hour course designed specifically for users in the EVM ecosystem who want to understand how to safely interact with smart contracts and verify transactions before signing them.
Patrick Collins
Solidity Developer
Web3 Wallet Security Basics teaches you the foundational concepts of blockchain wallet security and transaction verification to help you avoid disaster. This is an introductory, 1-hour course designed specifically for users in the EVM ecosystem who want to understand how to safely interact with smart contracts and verify transactions before signing them.
Solidity Developer
Learn how to use Chainlink's decentralized Oracle network to connect smart contracts with real-world data. Integrate Chainlink's tools and APIs for secure off-chain interactions.
Ciara Nightingale + 3 more
Solidity Developer
Solidity Developer
Level up your Solidity skills with Foundry. Learn advanced web3 development, teaching Foundry Forge, Anvil, Chainlink oracles, smart contract testing, and local deployment.
Patrick Collins + 3 more
Solidity Developer
Solidity Developer
Master full-stack web3 development with our comprehensive course. Learn to build blockchain-powered apps, connect wallets, and implement smart contracts.
Patrick Collins
Solidity Developer
Solidity Developer
Master web3 development with Advanced Foundry for Solidity smart contracts. Learn to write, test, and deploy contracts using industry-standard tools.
Patrick Collins + 8 more
Solidity Developer
Solidity Developer
Become a smart contract security researcher. Learn auditing best practices and secure protocols. Master fuzzing, invariant testing, and formal verification.
Patrick Collins + 9 more
Solidity Developer
Solidity Developer
Take the next step in your Solidity development journey and learn exactly how the Solidity compiler and opcodes work. Write contracts using Assembly and Yul, then learn how to write formal verification tests to guarantee your invariants hold.
Patrick Collins + 2 more
Solidity Developer
Student testimonials
Here’s what our students are saying about their experience with Updraft:
Chainlink
@Chainlink
If there’s one resource that Web3 developers point to, it’s Cyfrin’s ultimate tutorials. They’re standout resources that have empowered countless developers to learn blockchains, learn Solidity, and dive deep into Web3 development.
Gustavo Gonzalez
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.
Francesco Andreoli
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
Albert Hu
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!
Radek
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.
Boidushya
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.
Idris
Cyfrin blockchain and Foundry/AI courses were incredible. I've gained valuable knowledge, grown, empowering myself and others. Thank you, Cyfrin!
Chainlink
@Chainlink
If there’s one resource that Web3 developers point to, it’s Cyfrin’s ultimate tutorials. They’re standout resources that have empowered countless developers to learn blockchains, learn Solidity, and dive deep into Web3 development.
Gustavo Gonzalez
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.
Francesco Andreoli
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
Albert Hu
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!
Radek
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.
Boidushya
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.
Idris
Cyfrin blockchain and Foundry/AI courses were incredible. I've gained valuable knowledge, grown, empowering myself and others. Thank you, Cyfrin!