What is Blockchain Technology?
Understand the foundational principles of blockchain, including distributed ledgers, consensus mechanisms, and immutability.
Welcome to Blockchain!
A blockchain is a shared digital ledger nobody owns. Think of it as a notebook everyone can write to, but once something is recorded it is nearly impossible to erase. 📓
Not Your Average Database
Most databases are centralized - one party controls everything, so one breach risks it all. Blockchain is decentralized: many owners, no single trusted authority.
All lessons in this course
- What is Blockchain Technology?
- Ethereum Basics and EVM
- Your First Solidity Contract
- Wallets, Keys, and Transactions