4/5
## Meet Your Cyfrin Updraft Instructors Welcome to Cyfrin Updraft! We are thrilled to have you begin your journey into Web3 with us. This course is a collaborative effort, and you will learn from a team of instructors and guest lecturers who are experts in the industry. Let's introduce the core teaching team who will be guiding you. ### Patrick Collins, Lead Instructor Hello, and welcome. My name is Patrick Collins, and I will be your lead instructor for the majority of this course. As your primary guide, I am here to help you navigate the complex but exciting world of blockchain technology and smart contract security. I look forward to leading you through the curriculum. First, I'd like to introduce you to my co-lead instructor. ### Ciara Nightingale, Co-Lead Instructor Hi everyone, I'm Ciara Nightingale, your co-lead instructor. I am incredibly passionate about helping you learn and succeed. My goal is to help you become one of the best Web3 professionals in the world. I was once a student of Patrick’s myself, and I hope to impart knowledge to you in the same effective way. My background is in Physics, and my professional expertise lies in coding, blockchain engineering, and security. I have a particular passion for cryptography and mathematics, and I'm excited to share that with you throughout the course. ### Jess, Instructor Hello, I’m Jess. I will be your instructor for Section 3 of this "Blockchain Basics" course. I hold a mathematics degree and have been working full-time in the Web3 space for six years, the last two of which have been here at Cyfrin. I’m excited to guide you through the foundational concepts of this technology. We are all excited to be a part of your learning journey. Let's get started.
Welcome to Cyfrin Updraft! We are thrilled to have you begin your journey into Web3 with us. This course is a collaborative effort, and you will learn from a team of instructors and guest lecturers who are experts in the industry. Let's introduce the core teaching team who will be guiding you.
Hello, and welcome. My name is Patrick Collins, and I will be your lead instructor for the majority of this course. As your primary guide, I am here to help you navigate the complex but exciting world of blockchain technology and smart contract security. I look forward to leading you through the curriculum. First, I'd like to introduce you to my co-lead instructor.
Hi everyone, I'm Ciara Nightingale, your co-lead instructor. I am incredibly passionate about helping you learn and succeed. My goal is to help you become one of the best Web3 professionals in the world. I was once a student of Patrick’s myself, and I hope to impart knowledge to you in the same effective way.
My background is in Physics, and my professional expertise lies in coding, blockchain engineering, and security. I have a particular passion for cryptography and mathematics, and I'm excited to share that with you throughout the course.
Hello, I’m Jess. I will be your instructor for Section 3 of this "Blockchain Basics" course. I hold a mathematics degree and have been working full-time in the Web3 space for six years, the last two of which have been here at Cyfrin. I’m excited to guide you through the foundational concepts of this technology.
We are all excited to be a part of your learning journey. Let's get started.
A personal introduction to Meet Your Cyfrin Updraft Instructors - Get acquainted with the core teaching team that will be guiding you through the course. Learn about the backgrounds and expertise of your lead instructors.
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Course Overview
About the course
What blockchains are and how they work
Key blockchain components: wallets, gas, nodes, consensus
How to send transactions
The role and risks of smart contracts
How blockchains scale with L2 rollups
Real-world use cases like DEXs, RWAs, stablecoins, and NFTs
Blockchain threats like MEV and Sybil attacks
The lifecycle of a blockchain transaction
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)
Last updated on October 17, 2025
Duration: 20min
Duration: 1h 16min
Duration: 50min
Duration: 2h 02min
Duration: 41min
Duration: 36min
Duration: 7min
Certification: Blockchain Basics
This proficiency exam is designed to confirm your understanding of all key concepts and learnings presented in the course material. You will have 45 minutes to answer 30 questions and score 18 to pass and earn a Certificate of Completion.
Course Overview
About the course
What blockchains are and how they work
Key blockchain components: wallets, gas, nodes, consensus
How to send transactions
The role and risks of smart contracts
How blockchains scale with L2 rollups
Real-world use cases like DEXs, RWAs, stablecoins, and NFTs
Blockchain threats like MEV and Sybil attacks
The lifecycle of a blockchain transaction
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)
Last updated on October 17, 2025