Smart Contract Tutorials

Step-by-step guides to building production-ready smart contracts. From basic tokens to advanced DeFi protocols.

Beginner45 min

Create Your First ERC-20 Token

Learn how to create, deploy, and interact with your own ERC-20 token on Ethereum. Covers tokenomics, minting, and transfers.

SolidityERC-20Tokens
Intermediate1.5 hours

Build an NFT Collection

Create a complete NFT collection with metadata, minting functionality, and marketplace integration using ERC-721.

SolidityERC-721NFTIPFS
Advanced2 hours

Build a Multi-Signature Wallet

Implement a secure multi-sig wallet that requires multiple approvals for transactions. Essential for DAO treasuries.

SoliditySecurityDAO
Advanced2.5 hours

Create a Token Swap Contract

Build a decentralized token swap mechanism similar to Uniswap. Learn about liquidity pools and AMM formulas.

SolidityDeFiAMM
Intermediate1.5 hours

Implement Token Staking

Create a staking contract with rewards distribution. Learn about yield farming mechanics and reward calculations.

SolidityDeFiStaking
Advanced2 hours

Understanding Flash Loans

Learn how flash loans work and build a contract that utilizes them for arbitrage opportunities.

SolidityDeFiAave
Intermediate1 hour

Build a Timelock Controller

Implement governance timelock for secure protocol upgrades. Essential for decentralized governance.

SolidityGovernanceSecurity
Intermediate1 hour

Integrate Price Oracles

Connect your smart contracts to Chainlink price feeds. Learn about oracle security and data validation.

SolidityChainlinkOracles