Cryptocurrencies and Blockchain Security Fundamentals: Build a Secure Foundation in Crypto and Blockchain
With Sam Sehgal
Liked by 24 users
Duration: 1h 33m
Skill level: Intermediate
Released: 12/2/2025
Course details
Join Sam Sehgal—who has 10+ years of experience leading cybersecurity programs in Fortune 100 companies—as he provides a practical introduction to how cryptocurrencies and blockchain networks are secured in the real world, with an emphasis on developing an attacker-defender mindset.
Sam starts by breaking down how cryptocurrencies work: from blockchain mechanics to the decentralized trust that powers digital assets. Then, he dives into the major security challenges at four critical layers and shares real-world examples (including past security breaches, such as the Ronin and Dao attacks) to help you better understand the unique security challenges in this space. Whether you're a security pro entering the cryptocurrency industry or a developer building on-chain apps, this course provides the technical foundation you need to identify and defend against key threats.
Skills you’ll gain
Earn a sharable certificate
Share what you’ve learned, and be a standout professional in your desired industry with a certificate showcasing your knowledge gained from the course.
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Showcase on your LinkedIn profile under “Licenses and Certificate” section
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Download or print out as PDF to share with others
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Meet the instructor
Learner reviews
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Ron Brooks, Jr.
Ron Brooks, Jr.
President, River City Capital | CDFI Revenue & Capital Strategy Advisor | Speaker on Bankable, Lender-Ready Businesses
Contents
What’s included
- Test your knowledge 6 quizzes
- Learn on the go Access on tablet and phone
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