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Blockchain Basics
Beginner
Start where youâre comfortable! Learn how blockchains work, smart contracts, and how to sign your first transaction. Whether youâre new or are a seasoned developer, thereâs something here for you.
Course Details
Last updated on April 17, 2024
Course Overview
What you'll learn
Course Description
Learn the fundamentals of blockchain, DeFi, and smart contracts, then sign your first transaction. Whether youâre a new or a seasoned developer, thereâs something here for you.
This is the popular course that introduced 100,000s of web3 developers to the web3 world. Considered to be the most hands-on and complete introduction to blockchain technologies and smart contracts available. Whether you have never programmed before or are an engineer willing to move to web3 - this course is for you!
With over 3 hours of videos and written content, this course gives you the foundational skills needed to move into more advanced smart contract development and security concepts on Cyfrin Updraft.
Even if you have zero programming experience, this course is the first step to take on your blockchain journey - hereâs why:
- The worldâs leading solidity smart contract developers and educators in web3 teach the course.
- Continuously updated to teach you the latest tools and technologies used at large companies and protocols.
- The curriculum was developed, and updated over 2 years, with comprehensive student testing, feedback, and reviews.
- We've onboarded over 200,000 students into blockchain and DeFi, and many have changed their lives by becoming professional web3 developers or joining industry-leading companies.
- The course is constantly updated to reflect the latest industry standards.
We'll take you step-by-step through engaging video tutorials and teach you everything you need to know to succeed as a Solidity developer.
Learn how to use the Blockchain and interact with smart contracts through real-world examples, set up your wallet, learn what gas is, sign your first transaction, test your smart contracts, create a front-end to connect your wallet, and interact with them.
This course will teach you Blockchain fundamentals in a practical way; every lecture comes with a full coding screencast and written lesson for you to learn the way it fits you best!
In this course youâll learn different topics, including:
- Blockchain fundamentals
- Introduction to gas
- Introduction to wallets
- Transaction signatures
- Smart contracts
- Advanced gas
By the end of this course, you will be ready to interact with decentralised applications, understand the fundamentals of blockchain, or go into more advanced web3 development courses.
You will get lifetime access to all the lectures, corresponding resources, and repositories!
What are you waiting for? Learn Blockchain fundamentals and start your web3 journey on Cyfrin Updraft!
Who is this course for?
- Blockchain users
- Finance professionals
- Marketers
- Software engineers
- Web3 developers
Potential Careers
Solidity Developer
Solidity Developer path
Blockchain Basics
Beginner Start where youâre comfortable! Learn how blockchains work, smart contracts, and how to sign your first transaction. Whether youâre new or are a seasoned developer, thereâs something here for you.
Solidity Developer path
Smart contract development with Solidity
Beginner If youâre new to writing smart contracts, start here! Learn Solidity smart contract development from industry-leading experts and kickstart your career as a web3 developer.
Solidity Developer path
Foundry Fundamentals
Intermediate Learn advanced web3 development concepts like Chainlink Blockchain oracles, smart contracts testing, spinning up local networks, and industry-leading tools like Foundry Forge and Anvil.
Solidity Developer path
Advanced Foundry
Intermediate Learn smart contract development techniques to write, deploy, test, optimize, and interact with your smart contract using industry-standard tools taught by the top smart contracts engineers in web3
Solidity Developer path
Smart Contract Security and Auditing
Advanced Start your career as a smart contract security researcher! Learn smart contract auditing and the best practices for writing secure and optimized protocols. Explore fuzzing, invariant testing, and formal verification to identify bugs and protect web3 protocols.
Solidity Developer path
Smart contract DevOps
Advanced Following web3 DevOps guidelines and keeping an eye on smart contracts after they're live is key to making protocols and their users, safer. This course teaches you the best practices when dealing with web3 wallets and post-deployment security, teaching you how to keep smart contracts under control, even after they've been launched.
Solidity Developer path
Assembly and Formal Verification
Advanced 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.
Meet your instructors
Testimonials
Students Reviews
Read what our students have to say about this course.
If thereâs one resource that Web3 developers point to, itâs Cyfrinâs ultimate tutorials. Theyâre standout resources that have empowered countless developers to learn blockchains, learn Solidity, and dive deep into Web3 development.
Chainlink
Chainlink
We can build systems for Ethereum scaling but without education, itâs all for nothing. Updraft is the first step towards adoption for Web3 education. We can now mint security focused developers at scale!
Tony Olendo
Lead Devrel Engineer, Polygon
Cyfrin's course was a cornerstone of my journey into Web3, providing me with the fundamentals and hands-on experience that have been pivotal to my journey in the blockchain space.
Raza
Lead Developer Relations, Scroll
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
MetaMask
I took Cyfrin course and Iâve 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
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
DeForm Founding Engineer
I took Cyfrinâs courses, and I took them seriously. At least one hour every day, documented the progress, didnât skip any second. Havenât found a better web3 course since. Now Iâm 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