FreeBlockchain
Ethereum - ETH
Write and deploy real Solidity smart contracts: your first contract, a dApp frontend connected to MetaMask, your own ERC-20 token, and a full-stack NFT marketplace capstone.
Understand what a blockchain actually is and why it changed how we think about trust and data.
- What a distributed ledger is and why it matters
- How blocks are cryptographically linked together
- The role of hashing in keeping the chain tamper-proof
- Why decentralization removes the need for a central authority
- Real-world analogies for how blockchains store data
- The difference between public and private blockchains
- How consensus mechanisms keep a network honest
- Why blockchain is more than just cryptocurrency