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Solidity Smart Contracts: From Zero to Production
A Developer's Guide to Building, Securing, and Shipping Smart Contracts with Foundry
This book is 100% completeLast updated on 2026-07-29
Free, code-first Solidity guide - 13 chapters from fundamentals to DeFi, security, gas optimization, and production testing with Foundry.
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About the Book
Solidity Smart Contracts: From Zero to Production is a free, code-first guide to building smart contracts with Solidity and Foundry. Written for developers who know programming but are new to Web3, this book covers everything from your first contract to production deployment, real-world security, and gas optimization.
What's inside:
- Solidity fundamentals — types, storage, functions, events, custom errors
- Design patterns — Ownable, Pausable, ReentrancyGuard, Proxy/UUPS
- Token standards — ERC-20, ERC-721, ERC-1155 from the interface up
- DeFi development — AMMs, Chainlink oracles, lending mechanics
- Security with real exploits (DAO, Mango Markets)
- Gas optimization — storage packing, immutable, unchecked blocks
- Foundry toolchain — fuzz testing, invariant testing, fork testing
- Complete MultiSig Wallet project with tests
- Smart contract auditing process
- Advanced topics — ERC-4337, EIP-7702, ERC-8004, x402
About the Author
MD Ayaan Siddiqui is a Full Stack Blockchain Developer with 2+ years in DeFi, smart contracts, and Web3. He is an independent researcher with a published paper on agentic infrastructure (ERC-8004 x x402).
Author
About the Author
MD Ayaan Siddiqui
Blockchain developer, independent researcher, and author of a published preprint on agentic blockchain infrastructure (ERC-8004 x x402). B.Tech CS + MBA Blockchain. 2+ years in DeFi and Web3.Earn $8 on a $10 Purchase, and $16 on a $20 Purchase
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