What is Blockchain?
A digital ledger for recording and verifying transactions across a network of computers.
Learn · Blockchain 101
Blockchain 101
A structured introduction to blockchain technology, designed by professionals. Start from the fundamentals and build a solid working understanding — six modules, no prior knowledge required.
Course Modules
Your learning path
Work through the modules in order, or jump to any topic that interests you. Each module ends with the key ideas you should take away.
Defining the Problem
What blockchain aims to solve — trust, data integrity, transparency and more.
How Blockchain Works
A revolutionary approach to data management and transaction processing.
Consensus Mechanisms
How blockchain networks agree on the validity of transactions.
Nodes, Validators and Miners
The backbone of blockchain — the roles that keep networks running.
The Role of Cryptocurrencies in Blockchain
Understanding the intrinsic link between crypto and blockchain technology.