Understanding Blockchain From the Ground Up

Most people jump into blockchain without understanding the foundation. We start with what actually matters—how distributed systems work, why cryptography creates trust, and how these pieces fit together. Real knowledge, not buzzwords.

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Three Core Concepts That Make Everything Clear

Blockchain isn't magic. Once you grasp these building blocks, the entire ecosystem starts making sense—and you'll spot the real applications from the hype.

Distributed Consensus

How do hundreds of computers agree on what's true without a central authority? We break down Byzantine fault tolerance, proof mechanisms, and why this solves problems traditional databases can't touch.

Cryptographic Signatures

Digital signatures do more than verify identity—they create mathematical proof of ownership and authenticity. Understanding this unlocks how wallets, transactions, and smart contracts actually function.

Immutable Data Structures

What makes a blockchain "tamper-proof" isn't complexity—it's elegant mathematics. Hash functions and merkle trees create verifiable history that's practically impossible to rewrite.

How We Build Your Understanding

Our approach focuses on comprehension before implementation. Each phase builds logically on the previous one, so you're never lost or overwhelmed.

Fundamentals

Start with data structures, hashing algorithms, and peer-to-peer networks. No blockchain yet—just the computer science that makes it possible.

Mechanisms

How do consensus protocols actually reach agreement? We examine proof-of-work, proof-of-stake, and newer approaches with real examples.

Applications

Smart contracts, decentralized apps, token economics. Now that you understand the foundation, these concepts become intuitive rather than confusing.

Analysis

Evaluate real projects, spot security risks, understand trade-offs. You'll develop the critical thinking skills to navigate this space confidently.

Hands-On Projects That Clarify Theory

Reading about blockchain is one thing. Building simplified versions yourself creates understanding that sticks. Our projects strip away unnecessary complexity so you focus on core principles.

01

Build a Basic Chain

Create your own blockchain from scratch in Python. You'll see exactly how blocks link together, why genesis blocks matter, and what "immutability" really means in practice.

02

Implement Consensus

Code a simple proof-of-work algorithm and watch how mining difficulty adjusts. Understanding this hands-on reveals why energy consumption became such a contentious issue.

03

Deploy a Smart Contract

Write and test a basic contract on a test network. You'll grasp why gas fees exist, how execution happens across nodes, and where security vulnerabilities hide.

Hands-on blockchain development workspace

Learn From People Who Built Real Systems

Our instructors have designed production blockchain applications and understand both the technical details and the practical challenges you'll face.

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Bjorn Lindqvist

Distributed Systems Engineer

Spent six years building consensus protocols for enterprise blockchain platforms. Bjorn explains complex algorithms in plain language and focuses on why design decisions matter.

Instructor portrait

Siobhan Macleod

Smart Contract Architect

Former security auditor who's reviewed hundreds of contracts. Siobhan teaches you to spot vulnerabilities before they become expensive mistakes.

Start Learning in September 2025

Our next cohort begins September 15, 2025. Classes run Tuesday and Thursday evenings for twelve weeks, with additional lab time available. You'll work through material at a steady pace that allows proper comprehension.

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Where This Knowledge Actually Gets Used

Understanding blockchain fundamentals opens doors across multiple sectors. These aren't theoretical use cases—they're active implementations solving real problems.

Supply chain blockchain implementation

Supply Chain Verification

Companies track products from manufacture to delivery using immutable records. Understanding how provenance works on-chain helps you design or evaluate these systems.

Digital identity blockchain solution

Digital Identity Systems

Self-sovereign identity gives users control over their credentials. The cryptographic foundations you'll learn are exactly what makes this possible without centralized databases.