Welcome to Cairo

A language for scaling dApps using STARKs

A Turing-complete language making it possible for all blockchain developers to harness the power of STARKs

Turing Complete

Cairo is the first Turing-complete language for creating provable programs for general computation.

Efficient

Builtins and field elements enable efficient generation of proofs.

Production Ready

Cairo-based systems are already in production on Ethereum mainnet

Tutorial:
Hello, Cairo

From Hello, World to the beginning
of non-deterministic programming

Documentation:
How Cairo Works

Understand the building
blocks of Cairo

THE
Playground

Code, run and test Cairo, right
from your browser, in real time.

New Stuff

StarkNet Alpha live on Mainnet

Read More on the StarkNet website

cairo Tutorial

Build A Voting System with Cairo

Implement a simple, secure, non-anonymous voting mechanism.

Posts

Tooling


Compiler

Translates Cairo code into bytecode


Virtual Machine

Runs the Cairo program and turns it into a trace


IDE Extensions

Syntax highlighting for Vim and Visual Studio Code


Tracer

Visual rendering of the program run


Application Code

StarkEx 2.0 code – same code that powers DeversiFi on mainnnet