Cryptocurrency
Cryptocurrency covers Bitcoin, blockchain technology, Ethereum, Web3, smart contracts, and decentralized applications. Start with blockchain basics and work your way up to writing your first smart contract.
Available Tutorials
Learning Path
flowchart LR
A[Blockchain Basics] --> B[Bitcoin]
B --> C[Ethereum]
C --> D[Smart Contracts]
D --> E[DeFi]
D --> F[NFTs]
D --> G[dApps]
E --> H[DAO Governance]
F --> H
G --> H
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Pages in this section
Blockchain Explained — Complete Beginner's Guide
Learn blockchain basics: how blocks and chains work, decentralization, proof-of-work vs proof-of-stake, and a simple Python blockchain demo.
✓ LiveBitcoin Explained — A Beginner's Guide
Learn how Bitcoin works: mining, transactions, wallets, and the cryptography behind the world's first and largest decentralized cryptocurrency.
✓ LiveEthereum Explained — Beginner's Guide
Learn Ethereum basics: smart contracts, the Ethereum Virtual Machine, gas fees, dApps, and how Ethereum extends blockchain beyond simple payments.
✓ LiveSmart Contracts Explained — Beginner's Guide
Learn what smart contracts are, how they work on Ethereum, and write your first Solidity contract with real-world use cases and deployment steps.
✓ LiveDeFi (Decentralized Finance) — Explained with Examples
Master Decentralized Finance: lending and borrowing on Aave and Compound, DEX trading on Uniswap, yield farming, liquidity pools, and smart contract risks including flash loans and rug pulls.
✓ LiveNFTs (Non-Fungible Tokens) — Explained with Examples
Master NFTs: ERC-721 and ERC-1155 standards, minting, marketplaces like OpenSea, metadata, royalties, and building an NFT minter with Solidity and Hardhat.
✓ LiveWeb3 — Explained with Examples
Master Web3 development: read vs write transactions, MetaMask wallet integration, Web3.js and ethers.js libraries, dApp architecture, and connecting to Ethereum with practical examples.
✓ LiveLayer 2 Scaling — Explained with Examples
Master Layer 2 scaling solutions: Optimistic and ZK rollups, sidechains like Polygon, state channels like Lightning Network, gas optimization, and L2 security tradeoffs.
✓ LiveStablecoins Explained — Fiat, Crypto-Collateralized & Algorithmic
Master stablecoins: fiat-collateralized (USDT, USDC), crypto-collateralized (DAI), algorithmic (UST collapse), mechanisms, risks, and regulatory landscape.
✓ LiveLayer 2 Scaling Deep Dive — Rollups, Channels & Sidechains
Master Layer 2 scaling: Optimistic and ZK rollups, state channels, sidechains, Plasma, validium, and security-speed-cost tradeoffs for blockchain scalability.
✓ LiveDeFi Deep Dive — AMMs, Lending, Yield Farming & Oracles
Master DeFi mechanics: AMMs (Uniswap v2/v3), lending/borrowing (Aave, Compound), yield farming strategies, impermanent loss, oracles (Chainlink), and DeFi insurance.
✓ LiveNFT Ecosystem Guide — ERC-721, ERC-1155, Minting, and Marketplaces
Learn the NFT ecosystem: ERC-721 and ERC-1155 standards, minting process, IPFS metadata storage, marketplaces, royalties, floor price, rarity calculation, and real-world use cases.
✓ LiveWeb3 dApp Development — ethers.js, Hardhat, WalletConnect Guide
Learn Web3 dApp development: ethers.js vs web3.js, wallet connection with MetaMask and WalletConnect, smart contract interaction, events, gas estimation, and Hardhat testing.
✓ LiveDAO Governance — Token Voting, Quadratic Voting, and Treasury Management
Learn DAO governance: token-based voting, quadratic voting, delegation, treasury management with Gnosis Safe, on-chain vs off-chain voting via Snapshot, proposal lifecycle, and notable DAOs.
✓ Live