Blockchain Core Concepts
Learn about distributed ledgers, immutability, blocks, and chains that form the backbone of blockchain technology.
Welcome to Blockchain Cores
Let's get to the heart of blockchain: distributed ledgers, how data lives in blocks, and how those blocks link into an unchangeable chain.
Understanding a Ledger
A ledger is just a record of transactions. A bank keeps yours — centralized, owned by one entity. Blockchain sets out to change that.
All lessons in this course
- What is Web3?
- Blockchain Core Concepts
- Decentralization & Consensus