Blockchain Basics - Part 1

Learn the underlying concepts: peer-to-peer, hashing, proof-of-work, and consensus.

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"Solid foundation in blockchain and its applications to business and the real world."

- Filip Bortkiewicz, VP, J.P. Morgan

"Great overview on blockchain, bitcoin and real-life applications of the technology."

- Lisa Yokoyama, VP Digital Product, American Express

This course explains the innovation of blockchain technology, and covers how this distributed technology is a new form of software allowing networked computers to collaborate in ways that weren't possible before. Key concepts will be explained, including: distributed, hashing, proof-of-work, and consensus.

This course covers the The Double Spend Problem and how Satoshi Nakamoto used proof-of-work to solve it which led to the birth of bitcoin. We also touch on alternatives to proof-of-work to achieve consensus such as proof-of-stake.

This course comprises of videos, readings, quizzes, and external material.


  Course Overview
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  What is a blockchain?
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  The Byzantine Generals' Problem
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  Consensus and Governance
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Your Instructor

Solomon Lederer, PhD
Solomon Lederer, PhD

Dr. Lederer has over 15 years of technical experience in computer system design and programming. He has been teaching about blockchain and Ethereum for 3 years and recently co-authored Blockchain: A Practical Guide to Developing Business, Law, and Technology Solutions. Prior to working on blockchain technology, he worked at The Wall Street Journal, Morgan Stanley and BAE Systems, where he held a DoD TS (top secret) clearance to develop a novel mobile ad-hoc network for the US Air Force.

"The instructors were on steriods! Hold onto your hat and enjoy the Blockchain ride."

- Cathy Smith, Developer, UBS

"Made the business case for blockchain technology clear."

- Thomas Strahm, Visiting Scholar, Columbia Law School

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Frequently Asked Questions

When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied, contact us and we'll figure out how to best tailor our services to your needs.