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

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