Welcome to The Starknet Book

Important

The Starknet Book is a work in progress, and its content is rapidly evolving as the community contributes to its development. As a result, some sections may be incomplete or contain information that is still green. We highly encourage readers to contribute by suggesting improvements, providing feedback, or submitting new content to help us expand and refine the book. Your contributions are invaluable in making The Starknet Book a comprehensive and reliable resource for the community.

The Starknet Book is a curriculum created to teach the Cairo programming language and Starknet development. It is divided by Chapters and built by the Starknet community (you!). Finish the resume and you will conquer the Ethereum world.

Chapter	Objective
1: Introduction to Starknet	Grasp Starknet’s basics and get introduced to deploying smart contracts.
2: Smart Contracts in Cairo	Write Cairo smart contracts suited for Starknet.
3: Starknet Tooling	Learn to work with tools such as Protostar or Hardhat, and languages like Javascript, Python, Rust for interacting with Starknet.
4: Starknet Architecture	Discover the inner workings of Starknet, including the transaction lifecycle and the interaction of Sequencer, Prover, and Nodes.
5: Account Abstraction	Understand the concept of user accounts in Starknet and the process of creating custom accounts.
6: Pioneering Applications	Delve into cutting-edge applications on Starknet like On-Chain AI and Storage Proofs.
7: Cairo CPU Architecture	Deep dive into the architecture of the Cairo virtual machine, its memory model, opcodes, and compiler.
8: STARKs	Understand STARKs and their integration into various aspects of Starknet.

Where to Start?

Depending on your goals and interests, you can choose different paths through the Starknet Book. Here are some recommendations based on various objectives:

If you’re a complete beginner and want to start learning about Cairo and Starknet from scratch, follow the book in its entirety, starting with Introduction to Starknet.
If you’re an experienced developer looking to quickly dive into writing scalable and decentralized smart contracts, focus on Smart Contracts in Cairo and Starknet Tooling.
If you’re a frontend developer wanting to integrate Starknet with a React frontend using Javascript, prioritize the starknet-js and starknet-react subchapters in Starknet Tooling
If you’re a DevOps engineer or node operator interested in running a Starknet node and indexer, head straight to Starknet Architecture.
If you’re a security researcher or smart contract auditor wanting to learn about the Account Abstraction feature and its implications, go for Account Abstraction.
If you’re a blockchain enthusiast curious about the underlying architecture and mechanics of Starknet and Cairo, explore Starknet and Cairo CPU Architecture.
If you’re a cryptography expert or researcher eager to understand the fundamentals of STARKs and their connection to the Starknet ecosystem, delve into STARKs.

Feel free to mix and match these paths based on your unique interests and requirements.

Your Contributions Matter

We’re thrilled to have you join us on this incredible journey to create the ultimate resource for Cairo and Starknet development. By contributing to the Starknet Book, you’re not only sharing your knowledge and expertise with the world, but you’re also helping shape the future of decentralized technology. Together, we’ll build a comprehensive, accessible, and engaging curriculum that will empower developers everywhere to harness the full potential of Starknet.

As a contributor, you’ll be part of a vibrant and growing community dedicated to pushing the boundaries of what’s possible with decentralized technology. You’ll have the opportunity to collaborate with like-minded individuals from around the globe, share your unique insights, and learn from one another. Your contributions will not only enrich the Starknet community but also leave a lasting impact on the broader field of blockchain technology.

So, are you ready to embark on this epic adventure? Let’s dive in and explore the vast and exciting world of Starknet together. Here’s to the countless discoveries, breakthroughs, and innovations that await us!

Please refer to the existing Contributors Guide for detailed instructions on how to contribute. Remember, every contribution, no matter how small, makes a difference. Your expertise and passion are invaluable in helping us create a truly exceptional resource for the Starknet community. Let’s make history together!

Here are things you can do to help:

In most sections there is a message for builders who want to collaborate with content.
Empty section in a Chapter? Go for it!
Do you think the Starknet Book needs an additional section? Propose it.
Can a section be improved? Feel free to modify it.
Do you want to add an alternative programming language for the examples? Yes please.
Correct the bugs if you find any.
Please add an explanation in the exercise comments if you feel they need them.
Add exercises that show your favorite feature of Cairo.

Additional Key Educational Resources

We’ve compiled a list of valuable educational resources that will help deepen your understanding and enhance your skills in coding with Cairo and staying abreast with Starknet developments:

Starklings: A resource specifically designed to guide you through learning Cairo programming, ensuring that you reach a proficient level. You can access it here.
Starknet Community Forum: An online platform where you can engage in discussions about the latest developments in Starknet. Join the conversation here.
Starknet Documentation: You can browse through the documentation here.
Cairo Documentation: Explore it here.
Starknet Developer Telegram (English): A community for English-speaking Starknet developers. This is a great platform for networking, sharing ideas, and troubleshooting together. Join us on Telegram here.

Starknet Book Authors ✨

We extend our sincere gratitude to these exceptional individuals who have made invaluable contributions to the Starknet Book:

Omar Espejel	James Stark	Dr Spaceman	Gyan	Henri
David Barreto	Remedcu	Omahs	Lucas @ Starkware	Qd-Qd
Oboulant	Code Whizperer	Avi Mak	Robert Kodra	Manmit Singh
Lvis Wang	Leablock	Carlos Lira	Artur Vargas	Lorcan-codes
Devnet0x	Ivan Pavičić	Raphael Ndonga	Asten	Trangnv
0xKubitus	Evolve Art	Nadai	Prince Anuragi	Ccolorado
Diego Hermida	0x180db	Shramee Srivastav	Santala	Satyam Bansal
Zé Diogo	Pikkuherkko	Davide Silva	Leapalazzolo	Keivin
lambda-0x	David Lange	0xlenny	razlandau	neelkamath
Mohamed Abdessamed	xiang	Steve Goodman