Inventory of Cairo language features: How to become the cornerstone of building blockchain games?

Cairo language features for building blockchain games.

Dojo is the first verifiable game engine that uses Cairo to ensure the integrity of game execution logic, enabling developers to easily build complex, verifiable games and autonomous worlds on top of Starknet. Dojo developer Tarrence examines the features of the Cairo language and its superiority in building on-chain games.

Cairo is a Turing-complete language for creating provable programs for general computation. It is a modern, Rust-like language that provides high-level abstractions and functionality. The execution of Cairo can be verified in O(log^2n), achieving exponential scalability for on-chain computation.

Cairo proofs can be recursive, meaning you can prove the verification of a proof. Cairo proofs can be incrementally proven, which means a single execution can be decomposed into discrete parts of independent proofs. Cairo can be efficiently proven and optimized around the constraints of provable programs, rather than being compatible with existing paradigms. Cairo is also fast, and can run locally through MILR.

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Cairo uses state diffs, through which a proof and final state can prove the “output,” an important property for gaming. This ability to compress program inputs can also enable other functionalities, such as cheaply verifying storage proofs on Starknet. Through Herodotus, programs can access all Ethereum and its Rollups states, meaning you can play games on Starknet using assets on Optimism.

Reference: https://twitter.com/tarrenceva/status/1660686584092692480

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