Blockchain Basics

Learn the fundamentals of blockchain, DeFi, and smart contracts, then sign your first transaction. Whether you’re a new or a seasoned developer, there’s 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 - here’s why:

• The world’s 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 you’ll 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!