Welcome to the Crypt - an underground blockchain city! Build decentralized applications, create your own tokens and NFTs.
During the course you will build real projects that you can add to your portfolio
Your own ERC-20 token with minting and staking
NFT marketplace with minting and trading
Simple DEX with liquidity pools
12 modules full of interactive exercises and practical projects
Blockchain Fundamentals
History, decentralization, consensus
35 exercises
Cryptography
Hash, keys, digital signatures, wallets
38 exercises
Ethereum & EVM
EVM, gas, transactions, testnets
40 exercises
ethers.js & viem
Providers, Signers, Contracts
42 exercises
Wallets & Transactions
MetaMask, WalletConnect, transactions
35 exercises
Solidity Basics
Types, functions, modifiers, events
45 exercises
Contract Interaction
ABI, read/write, Hardhat deployment
38 exercises
ERC-20 & Token Creation
ERC-20 Standard, OpenZeppelin
40 exercises
NFT & ERC-721/1155
NFT minting, IPFS, marketplace
42 exercises
DeFi & Staking
DEX, AMM, liquidity pools, staking
45 exercises
dApp Development
Next.js + wagmi + RainbowKit
40 exercises
Security & Audit
Reentrancy, Slither, audit, mainnet
38 exercises
Each module is set in a unique theme that makes learning an adventure.
Cartographer of the Deep
Will guide you through all challenges and help you gain new skills.
Join CodeWorlds and discover modern learning methods that make programming fascinating and accessible to everyone.