Proof of Work Courses and Certifications

Caleb Curry

How Does Proof of Work Actually Work?

An introductory explanation of how Proof of Work uses cryptography and hash functions to secure cryptocurrency systems.

• YouTube
• 22 minutes
• Self-Paced
• Free Video

The Merkle Tree and Cryptocurrencies

26 ratings at Coursera

Assemble block header hash values for a given hash puzzle difficulty, see how Merkle trees sequence blocks, and weigh proof-of-work against proof-of-stake.

• Coursera
• 4 weeks, 2 hours a week
• Self-Paced
• Paid Course

Build a Blockchain and a Cryptocurrency from Scratch

3612 ratings at Udemy

Updated for 2025: Build a blockchain and cryptocurrency. Discover the engineering ideas behind Bitcoin and Ethereum!

• Udemy
• 14 hours
• Self-Paced
• Paid Course

3Blue1Brown

But How Does Bitcoin Actually Work?

A visual, step-by-step explanation of how Bitcoin turns communal ledgers, cryptography, and computational work into a decentralized digital currency.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

CS120: Bitcoin for Developers I

Learn how Bitcoin works under the hood: cryptographic algorithms, signatures and transactions, hashing and mining, nodes and wallets, scripting, and reaching consensus.

• Saylor University
• 18 hours
• Self-Paced
• Free Certificate

Tech with Tim

Blockchain for Beginners - How Does Ethereum Work?

Explains Ethereum’s blockchain theory through cryptographic keys, transactions, blocks, mining, and proof-of-work security.

• YouTube
• 33 minutes
• Self-Paced
• Free Video

NDC Conferences

Git as Blockchain

Explore blockchain technology by building one with Git. Learn about wallets, proof of work, mining, and 51% attacks while discovering blockchain's solutions and limitations.

• YouTube
• 59 minutes
• Self-Paced
• Conference Talk

GeeCON Conference

Blockchain Technology: A Powerful Tool - Understanding Basics and Applications

Explore blockchain technology's popularity, concepts, and integration with Java backend applications. Learn about cryptocurrencies, Proof of Work, and Proof of Stake.

• YouTube
• 34 minutes
• Self-Paced
• Free Video

SNIAVideo

RainBlock: Faster Transaction Processing Architecture for Public Blockchains

Discover how RainBlock architecture revolutionizes public blockchain performance by removing I/O bottlenecks, enabling 27x faster transaction processing compared to Ethereum's current capabilities.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

Devoxx

Revisiting User Registration and Authentication with Cryptographic Protocols

Explore advanced cryptographic protocols like Proof of Work and Zero-Knowledge Password Proof to build more secure user registration and authentication systems beyond basic framework solutions.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

Sustainability Illustrated

Bitcoin Mining Energy Consumption Myth Busted - How It Powers Renewable Grids

Uncover how Bitcoin mining supports renewable energy grids, reduces waste, and accelerates green project profitability while debunking common energy consumption myths.

• YouTube
• 12 minutes
• Self-Paced
• Free Video