Welcome to Updraft!

Welcome to the course!

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Course Overview

About the course

What you'll learn

Blockchain fundamentals

Introduction to smart contract gas

Introduction to wallets

Transaction signatures

Smart contracts

Advanced gas concepts

Course Description

Who is this course for?

Blockchain users
Finance professionals
Software engineers
Web3 developers

Potential Careers

Security researcher

$49,999 - $120,000 (avg. salary)

Web3 developer

$60,000 - $150,000 (avg. salary)

Smart Contract Engineer

$100,000 - $150,000 (avg. salary)

Smart Contract Auditor

$100,000 - $200,000 (avg. salary)

Web3 Developer Relations

$85,000 - $125,000 (avg. salary)

Meet your instructors

Patrick Collins

Founder at Cyfrin

Web3 engineer, educator, and Cyfrin co-founder. Patrick's smart contract development and security courses have helped hundreds of thousands of engineers kickstarting their careers into web3.

Last updated on August 26, 2024

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Solidity Developer

Blockchain Basics

Duration: 3h

1. Welcome to Updraft!

Welcome to the course! Duration: 6min

2. Best Practices

Best practices to follow! Duration: 9min

3. Meet The Instructors

Meet the lead instructors at Cyfrin: Patrick Collins and Ciara Nightingale! Duration: 1min

4. zkSync Sponsorship

Thanks to zkSync for being the lead sponsor of Updraft <3. Duration: 3min

5. What is a blockchain?

Introduction to blockchain technology, its evolution from Bitcoin to Ethereum, and the significance of smart contracts. Duration: 11min

6. The purpose of smart contracts

Exploration of the purpose of smart contracts, their advantages over traditional agreements, and their impact on various industries. Duration: 14min

7. Quick Recap

Let us recap what we have learned so far. Duration: 6min

8. Current smart contract landscape

Overview of the current landscape of smart contracts, their features like decentralization, transparency, and applications in different fields. Duration: 7min

9. Setup your wallet - making your first transaction

Guidance on setting up a Metamask wallet, understanding its interface, and the significance of secret recovery phrases in Ethereum transactions. Duration: 20min

10. Introduction to gas

Introduction to the concept of 'gas' in Ethereum, its role in transactions, and the mechanics of calculating transaction fees. Duration: 10min

11. How do blockchains work

Detailed explanation of the working of blockchains, the importance of hash functions, and the concept of blockchain immutability. Duration: 18min

12. Signing transactions

In-depth look at the process of signing blockchain transactions, the role of private and public keys, and their significance in maintaining security. Duration: 10min

13. Gas in depth

Further exploration into the concept of 'gas' in blockchain transactions, including gas limits, transaction fees, and Ethereum's EIP 1559. Duration: 10min

14. Blockchain Overview

Comprehensive overview of fundamental blockchain concepts including cryptography, node operations, consensus protocols, and scaling solutions. Duration: 19min

15. L1s L2s And Rollups

Everything you need to know about layer 1s, layer 2s, optimistic rollups and zero-knowledge rollups. Duration: 9min

16. Centralized Sequencers

Why centralized sequencers can be problematic. Duration: 1min

17. Rollup Stages

The stages of a rollup as defined by L2 Beat. Duration: 8min

18. Making Your First Transaction On zkSync

Add a chain to MetaMask and learn how to use a bridge on zkSync to bridge funds from Sepolia to zkSync Sepolia. Duration: 12min

19. Why zkSync Is Our Recommended Chain

All the reasons why zkSync is awesome! Duration: 4min

20. Congratulations

Celebratory conclusion of the blockchain basics series, highlighting the journey from theoretical understanding to practical application. Duration: 2min